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5310-00-950-0039

Hexagon Self-Locking Nut

5310009500039 009500039 905153 MS21044-N6 64-17780CPIECE 525-628-90457 2F8616 525-62890457 387-831 MS20365-624 NUT654 0.375UNF MS20365-624A A125J 800996 MS21044N6 938.07.17.607 F52E064 NEE3410-064 SP06199 F52NE-624 890625-624 AN365624 870127-00 AN365-624 5310PL0530873 5310PL0826967

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, CAP. View more Hexagon Self-Locking Nut

5310-00-950-0039 NUT,SELF-LOCKING,HEXAGON 5310009500039 009500039

Managed by United States
NSN Created on 1 Jan 1962
Data Last Changed
June 2025
NATO Update Count
86
NATO Data Quality
5310-00-950-0039 NUT,SELF-LOCKING,HEXAGON 5310009500039 009500039 1/2
5310-00-950-0039 Photo 1/2
ACTA Style A12 for 5310-00-950-0039 2/2
NSN 5310-00-950-0039 (Identification) 2/2

5310-00-950-0039 Product Information Product Information 5310-00-950-0039

The MS21044N6 is a self-locking nut commonly used in aerospace and other demanding applications where secure fastening is critical.

Here are some key characteristics of the MS21044N6 nut:
  • Type: Self-locking, hexagonal nut.
  • Locking Mechanism: Features a nylon collar (fiber insert) that provides a friction grip on the bolt threads, preventing loosening due to vibration and thermal expansion.
  • Material: Steel, cadmium-plated in accordance with QQ-P-416, Type II, Class 2.
  • Thread: Fine thread with 24 threads per inch (3/8-24).
  • Thread Type: UNJF (fine thread with external controlled root radius).
  • Thread Class: 3B.
  • Temperature Rating: Up to 250° F.
  • Dimensions: Height: 0.318 to 0.469 inches; Width Across Flat: 0.553 to 0.564 inches.
  • Finish: Cadmium.
  • Applications: Suitable for structural applications and helicopter engines.
  • Supersedes: Part numbers 404-890, 406-684, 52E064, AN365-624, and MS20365-624C.
  • Approvals: FAA-PC Approved. 

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5310-00-950-0039 Related Documents Related Documents 5310-00-950-0039 5+ Documents (More...)

905153 MS21044-N6 64-17780CPIECE 525-628-90457 2F8616 525-62890457 387-831 MS20365-624 NUT654 0.375UNF
MS20365-624A A125J 800996 MS21044N6 938.07.17.607 F52E064 NEE3410-064 SP06199 F52NE-624 890625-624 AN365624
870127-00 AN365-624 5310PL0530873 5310PL0826967 A nut having a flat bottom and 6 sides.
MS21044N6 NUT,SELF-LOCKING,HEXAGON 2 EA NS Request Quotation Subscribe to View Vendor Details...
AN365-624 NUT,SELF-LOCKING,HEXAGON 65 EA NS Request Quotation Subscribe to View Vendor Details...
MS21044N6 NUT,SELF-LOCKING,HEXAGON 30 EA NS Request Quotation Subscribe to View Vendor Details... 890625
MS21044N6 NUT,SELF-LOCKING,HEXAGON 2 EA NS Request Quotation Subscribe to View Vendor Details...
AN365-624 NUT,SELF-LOCKING,HEXAGON 120 EA NS Request Quotation 890625-624 NUT,SELF-LOCKING,HEXAGON 572
MS21044N6 NUT,SELF-LOCKING,HEXAGON 100 EA NS Request Quotation MS21044-N6 NUT,SELF-LOCKING,HEXAGON 23
MS21044N6 NUT,SELF-LOCKING,HEXAGON 2 EA NS Request Quotation Subscribe to View Vendor Details...
AN365-624 NUT,SELF-LOCKING,HEXAGON 65 EA NS Request Quotation Subscribe to View Vendor Details...
MS21044N6 NUT,SELF-LOCKING,HEXAGON 30 EA NS Request Quotation Subscribe to View Vendor Details... 890625
MS21044N6 NUT,SELF-LOCKING,HEXAGON 2 EA NS Request Quotation Subscribe to View Vendor Details...
AN365-624 NUT,SELF-LOCKING,HEXAGON 65 EA NS Request Quotation Subscribe to View Vendor Details...
AN365-624 NUT,SELF-LOCKING,HEXAGON 120 EA NS Request Quotation 890625-624 NUT,SELF-LOCKING,HEXAGON 572

5310-00-950-0039 Demil Restrictions 5310-00-950-0039

DEMIL: A | DEMILI: 1 | CRITICALITY: X | HMIC: N | PMIC: A | EDC: | ADPEC: 0

5310-00-950-0039 is a Hexagon Self-Locking Nut that does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. Demilitarization of this item has been confirmed and is not currently subject to changes. This item is considered a low risk when released from the control of the Department of Defense. The item may still be subject to the requirements of the Export Administration Regulations (EAR) and the Code of Federal Regulations (CFR). This item is not suspected to be hazardous. This item does not contain a precious metal.

5310-00-950-0039 HTS and ScheduleB Import and Export 5310-00-950-0039

5310-00-950-0039 End Users End Users 5310-00-950-0039

US Army (A919)
Effective Date:
1 Apr 2006
Former MOE Rule:
A187
Supplementary Receivers:
AJCTCLBFBDAZ
US Coast Guard (C918)
Effective Date:
1 Apr 2006
Former MOE Rule:
C004
Supplementary Receivers:
XH
US Air Force (FXGI)
Effective Date:
1 Apr 2006
Former MOE Rule:
FXKZ
NASA (G170)
Effective Date:
1 Apr 1991
NASA (G190)
Effective Date:
1 Apr 1991
NASA (G800)
Effective Date:
1 Apr 1991
NASA (G860)
Effective Date:
1 Apr 1991
NASA (G940)
Effective Date:
1 Apr 1991
US Marine Corps (MC47)
Effective Date:
1 Apr 2006
Former MOE Rule:
MC10
US Navy (N9BZ)
Effective Date:
1 Apr 2006
Former MOE Rule:
NIZD
Supplementary Collaborators:
GTKEJSJFJBHXHD
Austria (WB01)
Effective Date:
1 Feb 2005
Lithuania (WI01)
Effective Date:
1 Feb 2001
Poland (WP01)
Effective Date:
1 Jun 2005
Slovakia (WS01)
Effective Date:
1 Jul 2016
MOE Rule:
X002
Effective Date:
1 Apr 1991
Brazil (YA01)
Effective Date:
1 Oct 2000
Spain (YB01)
Effective Date:
1 Apr 1991
Columbia (YC01)
Effective Date:
1 Jul 2015
Israel (YD01)
Effective Date:
1 Oct 2016
Singapore (YJ01)
Effective Date:
1 Apr 1991
Kuwait (YK01)
Effective Date:
1 Jan 2015
Morocco (YP01)
Effective Date:
1 Nov 2008
Malaysia (YW01)
Effective Date:
1 Apr 1991
Thailand (YY01)
Effective Date:
1 Feb 2015
Australia (ZA01)
Effective Date:
1 Apr 1991
Belgium (ZB01)
Effective Date:
1 Apr 1991
Canada (ZC01)
Effective Date:
1 Apr 1991
New Zealand (ZE01)
Effective Date:
1 Apr 1991
France (ZF01)
Effective Date:
1 Apr 1991
Germany (ZG01)
Effective Date:
1 Apr 1991
Republic of Korea (ZH01)
Effective Date:
1 Apr 1991
United Kingdom (ZK01)
Effective Date:
1 Apr 1991
Philippines (ZM01)
Effective Date:
1 Feb 2015
Netherlands (ZN01)
Effective Date:
1 Apr 1991
Portugal (ZP01)
Effective Date:
1 Apr 1991
Italy (ZR01)
Effective Date:
1 Apr 1991
Denmark (ZS01)
Effective Date:
1 Apr 1991
Norway (ZT01)
Effective Date:
1 Apr 1991
Greece (ZU01)
Effective Date:
1 Apr 1991
Turkey (ZW01)
Effective Date:
1 Aug 1993
NATO Maintenance and Supply Agency (ZX01)
Effective Date:
1 Sep 2004

5310-00-950-0039 Manufacturers Approved Sources 5310-00-950-0039

Part Number
Manufacturer
Status
MS21044N6
80205 - National Aerospace Standards (Active)
Primary Buy
905153
A274N - Scandinavian Manufacturing Scama Ab (Active)
Incomplete Secondary Reference
MS21044-N6
06UL7 - Pioneer Aerospace Corp (Active)
Incomplete Secondary Reference
800996
19203 - Combat Capabilities Development (Active)
Secondary Buy
MS21044N6
A0126 - Leonardo Spa Helicopters Division - (Active)
Secondary Buy
938.07.17.607
S4080 - Pilatus Aircraft Ltd (Active)
Secondary Buy
5310009500039
SCY13 - E.C.A Etablissement (Replaced)
Canceled/Obsolete
SP06199
8346B - Servicios Y Proyectos Avanzados S.A. (Obsolete)
Canceled/Obsolete
F52NE-624
72962 - Harvard Industries Inc (Replaced)
Canceled/Obsolete
890625-624
83298 - Allied Signal Inc (Replaced)
Canceled/Obsolete
AN365624
81352 - Air Force-Navy Aeronautical (Active)
Canceled/Obsolete
870127-00
32345 - Defense Reduction Agency (Active)
Canceled/Obsolete
AN365-624
81352 - Air Force-Navy Aeronautical (Active)
Canceled/Obsolete
MS21044N6
96906 - Military Standards (Active)
Canceled/Obsolete
5310PL0530873
9009H - Jednolity Indeks Materialowy - (Active)
NATO Reference
5310PL0826967
9009H - Jednolity Indeks Materialowy - (Active)
NATO Reference
5310PL2066694
9009H - Jednolity Indeks Materialowy - (Active)
NATO Reference
64-17780CPIECE
66935 - Johnson Controls Navy Systems, Llc (Active)
Advisory Reference
525-628-90457
99193 - Honeywell International Inc. (Active)
Advisory Reference
2F8616
D9182 - Zf Industrieantriebe Witten Gmbh (Active)
Advisory Reference
525-62890457
D9182 - Zf Industrieantriebe Witten Gmbh (Active)
Advisory Reference
387-831
D9182 - Zf Industrieantriebe Witten Gmbh (Active)
Advisory Reference
MS20365-624
D9182 - Zf Industrieantriebe Witten Gmbh (Active)
Advisory Reference
NUT654
93232 - Curtiss-Wright Electro-Mechanical (Replaced)
Advisory Reference
0.375UNF
K2158 - European Industrial Services Ltd T/A (Obsolete)
Advisory Reference
MS20365-624A
D9182 - Zf Industrieantriebe Witten Gmbh (Active)
Advisory Reference
A125J
K2158 - European Industrial Services Ltd T/A (Obsolete)
Advisory Reference
F52E064
72962 - Harvard Industries Inc (Replaced)
Transferred
NEE3410-064
019L2 - Esna, Llc (Active)
Transferred

5310-00-950-0039 Technical Data Datasheet 5310-00-950-0039

Characteristic
Specifications
FIIG
A021A0
Bearing Surface Finish [CSXL]
125.0 Microinches
Bearing Surface Type [CRTM]
Chamfered Or Washer Faced
Countersink Angle [CRSQ]
88.0 Degrees Nominal Nut
Material [MATT]
Steel Comp 1006 Nut Or Steel Comp 1008 Nut Or Steel Comp 1009 Nut Or Steel Comp 1010 Nut Or Steel Comp 1015 Nut Or Steel Comp 1018 Nut Or Steel Comp 1035 Nut Or Steel Comp 11L37 Nut Or Steel Comp 1213 Nut Or Steel Comp 12L14 Nut
Nominal Thread Size [CQJX]
0.375 Inches
Nut Height [ADEA]
0.318 Inches Minimum And 0.469 Inches Maximum
Nut Style [ACTA]
Hexagon
Locking Feature [AAUM]
Prevailing Torque With Nonmetallic Insert
Lubrication [ABAJ]
Soluble Lubricant
Thread Quantity Per Inch [CMLP]
24
Thread Series [BZRR]
Unjf
Width Across Flats [ASDB]
0.553 Inches Minimum And 0.564 Inches Maximum
Surface Treatment Document And Classification [STDC]
Qq-P-416,Ty 2,Cl 3 Fed Spec Single Treatment Response Overall Except Insert
Surface Treatment [SFTT]
Cadmium Overall Except Insert
Temp Rating [AZKQ]
250.0 Deg Fahrenheit Nominal
Thread Class [AAJD]
3B
Thread Direction [AAJF]
Right-Hand

5310-00-950-0039 Weapon Systems (WSDC) Weapon Systems (WSDC) 5310-00-950-0039

5310-00-950-0039 Stock, Inventory and Procurement DLA Procurement Analysis 5310-00-950-0039

Last Stock Position:
172400 In Stock
DLA Administrative Lead Time:
Subscribe
DLA Production Lead Time:
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5310-00-950-0039 Management Data Management Data 5310-00-950-0039

Effective Date
Organization
Unit of Issue
Unit Price
Qty Unit Pack
Oct 2022
US Marine Corps (DM)
HD
Subscribe
1
Oct 2021
US Marine Corps (DM)
HD
Subscribe
1
Apr 2021
Defense Logistics Agency (DS)
HD
Subscribe
1
Oct 2020
US Marine Corps (DM)
HD
Subscribe
1
Oct 2019
Department of the Air Force (DF)
HD
Subscribe
1
MOE
USC
Code
Statement
Order of Use
Jump To Code
Qty Per Assy
UOM
Technical Document
Quantative Expression
Department of the Air Force (DF)
F
R
Refer To Approved For Faa Use
APPROVED FOR FAA USE
US Marine Corps (DM)
M
0
Reversal Of Phrase Code Z 5310-00-050-3353
US Marine Corps (DM)
M
0
Reversal Of Phrase Code Z 5310-00-058-7343
US Marine Corps (DM)
M
0
Reversal Of Phrase Code Z 5310-00-188-1975
US Marine Corps (DM)
M
0
Reversal Of Phrase Code Z 5310-00-198-4741
US Marine Corps (DM)
M
0
Reversal Of Phrase Code Z 5310-00-263-2875
US Marine Corps (DM)
M
0
Reversal Of Phrase Code Z 5310-00-275-2087
US Marine Corps (DM)
M
0
Reversal Of Phrase Code Z 5310-00-275-2090
US Marine Corps (DM)
M
0
Reversal Of Phrase Code Z 5310-00-297-3724
US Marine Corps (DM)
M
0
Reversal Of Phrase Code Z 5310-00-623-7175

Army Army

Materiel Category and Inventory Manager:
T
Industrial Supplies (DLA/GSA Items)
Appropriation and Budget Activity:
2
Stock Fund Secondary Items
Management Inventory Segment:
2
Non-Repairable Items(Exclusive of Insurance and Provisioning Items)
This code will be used to identify items, which are not reparable.
Weapons System / End Item / Homogeneous Group:
CC
Other Aircraft Categories
Multi-Application Aviation Spares
Accounting Requirements:
X
Expendable item.An item of Army property coded with an ARC of X in the AMDF. Expendable items require no formal accountability after issue from a stock record account.Commercial and fabricated items similar to items coded X in the AMDF are considered expendable items.

Air Force Air Force

Fund:
SF
Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point
Budget:
9
57X4921.070 - General Support DIV - Air Force decentralized managed expense items (ERRC XB3, XF3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors
Price Validation Code:
V
The current standard price has been validated.
The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range.
The item was procured under open competition and under the competitive arena the price is considered fair and reasonable.
ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Expendability
Recoverability
Repairability:
N
Expendable. Condemn at User. Stock Fund (except Munitions).

Navy Navy

Cognizance:
9B
Navy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material Content:
9
Non-Hazardous or Non-Sensitive Item

Marine Corps Marine Corps

Stores Account:
1
Stock Fund Account Item
Combat Essentiality:
5
Critical Repair Part to a Combat Essential End Item
Echelon Management:
B2
Material Identification:
K
Reserved
Operational Test:
No Special Procedures

5310-00-950-0039 Related Items NATO Stock Numbers Related to 5310-00-950-0039

5310-00-950-0039 Freight Data Freight Information 5310-00-950-0039

5310-00-950-0039 has freight characteristics.It has a National Motor Freight Classification (NMFC) of 093486. A Sub NMFC of Z. It has a NMFC Description of BOLTS,NUTS OR SCREWS, NOI (SUB 3). 5310-00-950-0039 is rated as a variable freight class when transported by Less-Than Truckload (LTL) freight. It has a Uniform Freight Classification (UFC) number of 48950 which rates the freight between FCL and LCL. 5310-00-950-0039 has a variance between NMFC and UFC when transported by rail and the description should be consulted. It has a Water Commodity Code (WCC) of 573 for ocean manifesting and military sealift. 5310-00-950-0039 is not classified as a special type of cargo when transported by water. 5310-00-950-0039 is not a consolidation and does not exceed 84" in any dimension. It should be compatible with a standard 72" Aircraft Cargo Door when transported by air.

5310-00-950-0039 Packaging Data Packaging Data 5310-00-950-0039

Responsible Activity
Packaging Data Source
Primary Inventory Control Activity (PICA)
--

Item Pack Level (Unpackaged)

Item Size
Item Weight
Characteristics
Weight/Dimensions Category
Fragility
Item Preservation
--
--
Bare Metal Item
2lb or less, one dimension 2" or less, other dimensions less than 24"
Above 110G
No Requirement

Unit Pack Level (Packaged)

Quantity per Pack
Unit Size
Unit Weight
Unit Cube
Preservation Method
Cleaning/Drying
1
--
--
--
Physical Protection
Any Suitable Process
Preservation Material
Wrapping Material
Cushioning/Dunnage
Cushioning Thickness
Container
Special Marking
No Requirement
No Requirement
No Requirement
Not Applicable
Any Suitable Container
No special marking

Intermediate Pack Level

Quantity of Unit Packs
Container
--

5310-00-950-0039 Procurement History Procurement History 5310-00-950-0039 41 Records

Contract
Date
CAGE
Quantity
Net Price
Std Price
SPE7MX24F1247
30 Oct 2023
Subscribe
1
Subscribe
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SPE7MX24F1165
25 Oct 2023
Subscribe
2
Subscribe
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SPE7MX24F1176
25 Oct 2023
Subscribe
2
Subscribe
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SPE7MX24F0969
19 Oct 2023
Subscribe
10
Subscribe
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SPE7MX24F0903
18 Oct 2023
Subscribe
1
Subscribe
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SPE7MX24F0830
16 Oct 2023
Subscribe
1
Subscribe
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SPE7MX24F0788
13 Oct 2023
Subscribe
1
Subscribe
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SPE7MX24F0788
13 Oct 2023
Subscribe
1
Subscribe
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SPE7MX24F0491
11 Oct 2023
Subscribe
2
Subscribe
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SPE7MX24F0488
11 Oct 2023
Subscribe
1
Subscribe
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SPE7MX24F0495
11 Oct 2023
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1
Subscribe
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SPE7MX24F0491
11 Oct 2023
Subscribe
2
Subscribe
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SPE7MX24F0495
11 Oct 2023
Subscribe
1
Subscribe
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SPE7MX24F0488
11 Oct 2023
Subscribe
1
Subscribe
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SPE7MX24F0439
10 Oct 2023
Subscribe
1
Subscribe
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SPE7MX24F0438
10 Oct 2023
Subscribe
1
Subscribe
Subscribe
SPE7MX24F0460
10 Oct 2023
Subscribe
1
Subscribe
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SPE7MX24F0439
10 Oct 2023
Subscribe
1
Subscribe
Subscribe
SPE7MX24F0438
10 Oct 2023
Subscribe
1
Subscribe
Subscribe
SPE7MX24F0460
10 Oct 2023
Subscribe
1
Subscribe
Subscribe
SPE4A623FBTYA
09 Sep 2023
Subscribe
41
Subscribe
Subscribe
SPE4A623FBTYA
09 Sep 2023
Subscribe
41
Subscribe
Subscribe
SPE4A623FB3SG
10 Jul 2023
Subscribe
7
Subscribe
Subscribe
SPE4A623FB3SJ
10 Jul 2023
Subscribe
248
Subscribe
Subscribe
SPE4A623FB3SH
10 Jul 2023
Subscribe
240
Subscribe
Subscribe
SPE4A623FB3SG
10 Jul 2023
Subscribe
7
Subscribe
Subscribe
SPE4A623FB3SJ
10 Jul 2023
Subscribe
248
Subscribe
Subscribe
SPE4A623FB3SH
10 Jul 2023
Subscribe
240
Subscribe
Subscribe
SPE5E319V0489
12 Oct 2018
Subscribe
14
Subscribe
Subscribe
SPE5E318V9134
24 Sep 2018
Subscribe
1
Subscribe
Subscribe
SPE5E318V8253
27 Aug 2018
Subscribe
25
Subscribe
Subscribe
SPE5E318V7962
13 Aug 2018
Subscribe
38
Subscribe
Subscribe
SPE5E318V7598
31 Jul 2018
Subscribe
3
Subscribe
Subscribe
SPE5E318V7307
19 Jul 2018
Subscribe
33
Subscribe
Subscribe
SPE5E318V6185
07 Jun 2018
Subscribe
141
Subscribe
Subscribe
SPE5E318V5764
24 May 2018
Subscribe
1
Subscribe
Subscribe
SPE5E318V4571
03 Apr 2018
Subscribe
219
Subscribe
Subscribe
SPE5E318V3461
16 Feb 2018
Subscribe
12
Subscribe
Subscribe
SPE5E317V1485
11 Apr 2017
Subscribe
174
Subscribe
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SPE5E317V1098
21 Mar 2017
Subscribe
154
Subscribe
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SPE5E715MQ116
01 Jun 2015
Subscribe
162
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5310-00-950-0039 Contracting Technical Data File (CTDF) Contracting Technical Data File (CTDF) 5310-00-950-0039 February 2021

Criticality and Quality

Critical Item Code:
X
Flight Safety:
Life Support:
Certified Samples:
Serialization:
First Article Test (FAT):
Certificate of Quality Compliance:
Production Lot Testing:
Special Testing:
Qualified Products List (QPL):

Commercial Properties

Government Furnished Material:
Government Furnished Tooling:
Government Furnished Property:
Price Evaluation Code:
Diminshing Manufacturing Sources:
Warranty:
Commerical Off The Shelf (COTS):
End Item Application:
Auctioning Candidate:
Source of Procurement:
Contract Option:

Restrictions

Boeing Rights Guard:
Export Controlled:
Controlled Technical Data Package (TDP):
Restricted Technical Data Package (TDP):
Contains Classified Material
Weapons System Indicator Code (WSIC):
F

Packaging Requirements

Packaging Determination Table:
Packaging Review Code:
N
Special Packaging Instruction Number (SPIN):
Special Packaging Instruction Number Revision:
Special Packaging Instruction Number Date:
Pallet Reference Number Required: