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4730-00-277-6371

Tube Fitting Locknut

4730002776371 002776371 SAE-AS4841 AN6289-4D AS5179D04 AN6289D4 5857-0403 905857-0403 MIL-F-5509 Q37-4 477 676 752 522 10086128 4730PL0735267

An item with internal machine threads designed to fit the external machine threads of a tube fitting. It has flat faces, one of which has a counterbored recess to accommodate packing, packing or sealing ring(s), gasket(s), and the like. The item, when installed, provides a method of locking and sealing the connection. See also LOCKNUT, PIPE; NUT (1), TUBE COUPLING and NUT (1), PLAIN, HEXAGON. View more Tube Fitting Locknut

Managed by United States

NSN Created on 1 Jan 1961

Data Last Changed
November 2023

NATO Update Count
81

NATO Data Quality

ACTA Style A391 for 4730-00-277-6371 1/1 — NSN 4730-00-277-6371 (Identification) 1/1

Marketplace 4730-00-277-6371

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AN6289-4D LOCKNUT,TUBE FITTING 4 EA NS

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752 522 LOCKNUT,TUBE FITTING 3509 EA NS

AN6289-4D LOCKNUT,TUBE FITTING 8 EA NS

MILF5509 LOCKNUT,TUBE FITTING RQST NS

5857-0403 LOCKNUT,TUBE FITTING 5528 EA NS

MIL-F-5509 LOCKNUT,TUBE FITTING 327 EA NS

905857-0403 LOCKNUT,TUBE FITTING 2463 EA NS

AN6289D4 LOCKNUT,TUBE FITTING 83 EA NS

Q37-4 LOCKNUT,TUBE FITTING 4749 EA NS

AS5179D04 LOCKNUT,TUBE FITTING 131 EA NS

477 676 LOCKNUT,TUBE FITTING 1987 EA NS

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AS5179D04 LOCKNUT 18 EA NS

Updated Every Day

4730-00-277-6371 RQST NE

Updated Every Day

4730-00-277-6371 RQST

Updated Every Day

4730-00-277-6371 RQST NE

Restrictions 4730-00-277-6371

4730-00-277-6371 is a Tube Fitting Locknut 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. The precious metals content of this item is unknown.

Import and Export 4730-00-277-6371

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HTS Code: Subscribe to View HTS Code

End Users 4730-00-277-6371

US Army (A920)
Effective Date:: 1 Apr 2006
Former MOE Rule:: A181
Supplementary Receivers:: AZCTBD; AMC 1 AMSC T IMC Z IMCACTY CD

US Coast Guard (C919)
Effective Date:: 1 Apr 2006
Former MOE Rule:: C172; AMC 1 AMSC T

US Air Force (FXGC)
Effective Date:: 1 Apr 2006
Former MOE Rule:: FXAX; AMC 1 AMSC T IMC Z IMCACTY SX

NASA (G860)
Effective Date:: 1 Apr 1991; AMC 0 AMSC 0 AAC C

NASA (G940)
Effective Date:: 1 Apr 1991; AMC 0 AMSC 0 AAC C

US Marine Corps (MC40)
Effective Date:: 1 Apr 2006
Former MOE Rule:: MC01; AMC 1 AMSC T IMC Z IMCACTY PA

US Navy (N9BC)
Effective Date:: 1 Apr 2006
Former MOE Rule:: NICD
Supplementary Collaborators:: GTKEHD; AMC 1 AMSC T IMC Z IMCACTY GH

Austria (WB01)
Effective Date:: 1 Feb 2005

Finland (WF01)
Effective Date:: 1 Feb 2008

Lithuania (WI01)
Effective Date:: 1 Jan 2010

Slovenia (WL01)
Effective Date:: 1 Apr 2006

Poland (WP01)
Effective Date:: 1 Jul 2006

Romania (WR01)
Effective Date:: 1 Jan 2012

Bulgaria (WU01)
Effective Date:: 1 Sep 2002

Brazil (YA01)
Effective Date:: 1 Dec 1999

Spain (YB01)
Effective Date:: 1 Apr 1991

Columbia (YC01)
Effective Date:: 1 Jul 2015

Singapore (YJ01)
Effective Date:: 1 Apr 1991

Kuwait (YK01)
Effective Date:: 1 Feb 2015

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 Nov 1998

NATO Maintenance and Supply Agency (ZX01)
Effective Date:: 1 Sep 2004

Approved Sources 4730-00-277-6371

Part Number
Manufacturer
Status
SAE-AS4841: 0U583 - Sae International (Active); Incomplete Reference; RNCC 3 RNVC 1 DAC E
AS5179D04: 0U583 - Sae International (Active); Primary Buy; RNCC 3 RNVC 2 DAC 5
AS5179D04: 81343 - Society Of Automotive Engineers Inc (Replaced); Original Design; RNCC 3 RNVC 9 DAC E
AN6289-4D: K2861 - Bae Systems (Operations) Ltd (Active); Secondary Buy; RNCC 5 RNVC 2 DAC 4
AS5179D04: A0126 - Leonardo Spa Helicopters Division - (Active); Secondary Buy; RNCC 5 RNVC 2 DAC 5
AS5179D04: KCV81 - Aviation Spares And Repairs Ltd (Active); Secondary Buy; RNCC 5 RNVC 2 DAC 4
AN6289D4: 71563 - Collins Engineering Corp (Obsolete); Canceled/Obsolete; RNCC 5 RNVC 9 DAC 5
AN6289D4: R1120 - Satair A/S (Active); Canceled/Obsolete; RNCC 5 RNVC 9 DAC 6
5857-0403: 0KDP7 - Kidde-Fenwal, Inc. (Active); Canceled/Obsolete; RNCC 5 RNVC 9 DAC 5
AN6289D4: 14597 - Litton Systems Inc Sub Of Litton (Replaced); Canceled/Obsolete; RNCC 5 RNVC 9 DAC 5
AN6289D4: 88044 - Aeronautical Standards Group (Active); Canceled/Obsolete; RNCC 5 RNVC 9 MEDALS DAC 4
AN6289D4: 00624 - Eaton Aeroquip Llc (Active); Canceled/Obsolete; RNCC 5 RNVC 9 DAC 5
905857-0403: 0KDP7 - Kidde-Fenwal, Inc. (Active); Canceled/Obsolete; RNCC 5 RNVC 9 DAC 6
AN6289D4: 14798 - Designed Metal Connections Inc (Active); Canceled/Obsolete; RNCC 5 RNVC 9 DAC E
MIL-F-5509: 96906 - Military Standards (Active); Canceled/Obsolete; RNCC 5 RNVC 9 DAC E
Q37-4: 14170 - Hughes Missile Systems Co San Diego (Replaced); Canceled/Obsolete; RNCC 5 RNVC 9 DAC 5
AN6289D4: 22995 - Crown Fitting Co Inc (Active); Canceled/Obsolete; RNCC 5 RNVC 9 DAC 5
AN6289D4: 06581 - Allan Aircraft Supply Co., Llc (Active); Canceled/Obsolete; RNCC 5 RNVC 9 DAC 5
AN6289D4: 14397 - Faber Enterprises, Inc. (Active); Canceled/Obsolete; RNCC 5 RNVC 9 DAC 5
477 676: 77294 - Piper Industrial Manufacturing (Active); Canceled/Obsolete; RNCC 5 RNVC 9 DAC 5
752 522: 77294 - Piper Industrial Manufacturing (Active); Canceled/Obsolete; RNCC 5 RNVC 9 DAC 5
10086128: A486G - Nimikkeistokeskus Ncb Finland (Active); NATO Reference; RNCC 6 RNVC 9 DAC 9
4730PL0735267: 9009H - Jednolity Indeks Materialowy - (Active); NATO Reference; RNCC 6 RNVC 9 DAC 9
AN6289-4D: 88044 - Aeronautical Standards Group (Active); Advisory Reference; RNCC C RNVC 1 MEDALS DAC 6

Datasheet 4730-00-277-6371

Characteristic
Specifications
FIIG: A021A0
Thread Series [BZRR]: Unf
Nominal Thread Size [CQJX]: 0.438 Inches
Thread Quantity Per Inch [CMLP]: 20
Thread Class [AAJD]: 3B
Thread Direction [AAJF]: Right-Hand
Material [MATT]: Aluminum Alloy 2014 Overall
Material Document And Classification [MDCL]: Qq-A-225/4,Alloy 2014,T6 Fed Spec Single Material Response Overall
Surface Treatment [SFTT]: Anodize Overall
Surface Treatment Document And Classification [STDC]: Mil-A-8625,Type 2,Class 2 Mil Spec Single Treatment Response Overall
Nut Style [ACTA]: Tube Fitting Locknut
Nut Height [ADEA]: 0.281 Inches Nominal
Width Across Flats [ASDB]: 0.688 Inches Nominal
Packing Recess Diameter [CFPT]: 0.608 Inches Nominal
Packing Recess Depth [CFPW]: 0.042 Inches Nominal
Nominal Tube Outside Diameter [CQRJ]: 0.250 Inches
Specification/Standard Data [ZZZK]: 88044-An6289 Government Standard
End Item Identification [AGAV]: Grumman A10 Aircraft;Boeing Vertol Cargo Transport Helicopter,Model C-47; F-18 Aircraft

Weapon Systems (WSDC) 4730-00-277-6371

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DLA Procurement Analysis 4730-00-277-6371

Last Stock Position:: 1191 In Stock
DLA Administrative Lead Time:: Subscribe
DLA Production Lead Time:: Subscribe

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Management Data 4730-00-277-6371

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Effective Date: Organization; Unit of Issue; Unit Price; Qty Unit Pack
Oct 2022: US Coast Guard (GP); EA; Subscribe
Nov 2021: Defense Logistics Agency (DS); EA; Subscribe
Oct 2020: Defense Logistics Agency (DS); EA; Subscribe
Feb 2020: Department of the Air Force (DF); EA; Subscribe

MOE: USC; Code; Statement; Order of Use; Jump To Code; Qty Per Assy; UOM; Technical Document; Quantative Expression
US Marine Corps (DM): M; 0; Reversal Of Phrase Code Z 4730-00-337-8739
US Marine Corps (DM): M; 4; Reversal Of Phrase Code A 4730-00-208-5195
US Marine Corps (DM): M; 4; Reversal Of Phrase Code A 5310-00-208-5195

Army

Materiel Category and Inventory Manager:

J: Ground Forces Support Materiel (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:

BX: Rotary Wing Aircraft
OH-58D Army Helicopter Improvement Program (AHIP)

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

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

Aggregation Code:

GC: UH/60A BLACKHAWK

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

Cognizance:

9B: Navy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg

Marine Corps

Stores Account:

1: Stock Fund Account Item

Combat Essentiality:

2: Non-Critical Repair Part

Echelon Management:

C2

Operational Test:

: No Special Procedures

NATO Stock Numbers Related to 4730-00-277-6371

4730-14-552-8566 4730-14-450-5494 4730-01-152-4753 4730-12-377-8989 4730-12-319-0711 4730-01-490-4325 4730-01-124-4094 4730-01-607-6023 4730-01-591-2602 4730-01-591-2600 4730-01-589-3132 4730-00-009-5261 4730-01-589-3522 4730-00-806-5223 4730-01-168-2021 4730-01-125-3759 4730-01-301-1347 4730-00-911-7105

Freight Information 4730-00-277-6371

4730-00-277-6371 has freight characteristics.It has a National Motor Freight Classification (NMFC) of 013540. A Sub NMFC of X. It has a NMFC Description of ALUM NUTS. 4730-00-277-6371 is rated as class 70 when transported by Less-Than Truckload (LTL) freight. It has a Uniform Freight Classification (UFC) number of 05680 which rates the freight between FCL and LCL. 4730-00-277-6371 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 576 for ocean manifesting and military sealift. 4730-00-277-6371 is not classified as a special type of cargo when transported by water. 4730-00-277-6371 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.

Packaging Data 4730-00-277-6371

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; Over 10lb; Less than 85G; Special Requirement

Unit Pack Level (Packaged)

Quantity per Pack
Unit Size
Unit Weight
Unit Cube
Preservation Method
Cleaning/Drying: --; --; --; --; Physical Protection; Any Suitable Process

Preservation Material
Wrapping Material
Cushioning/Dunnage
Cushioning Thickness
Container
Special Marking: No Requirement; No Requirement; --; --; MIL-DTL-117, Type III, Class B, Style 2, Heavy Duty, Waterproof, Transparent Bag; No special marking

Intermediate Pack Level

Quantity of Unit Packs
Container: --

Procurement History 4730-00-277-6371 2 Records

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Contract: Date; CAGE; Quantity; Net Price; Std Price
SPE7M023V2387: 16 Mar 2023; Subscribe; 1310; Subscribe; Subscribe
SPE7M319P1592: 20 Dec 2018; Subscribe; 2591; Subscribe; Subscribe

Contracting Technical Data File (CTDF) 4730-00-277-6371 October 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:

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Marketplace 4730-00-277-6371

Related Documents 4730-00-277-6371 5+ Documents (More...)

Restrictions 4730-00-277-6371

Import and Export 4730-00-277-6371

End Users 4730-00-277-6371

Approved Sources 4730-00-277-6371

Datasheet 4730-00-277-6371

Weapon Systems (WSDC) 4730-00-277-6371

DLA Procurement Analysis 4730-00-277-6371

Management Data 4730-00-277-6371

Army

Air Force

Navy

Marine Corps

NATO Stock Numbers Related to 4730-00-277-6371

Freight Information 4730-00-277-6371

Packaging Data 4730-00-277-6371

Item Pack Level (Unpackaged)

Unit Pack Level (Packaged)

Intermediate Pack Level

Procurement History 4730-00-277-6371 2 Records

Contracting Technical Data File (CTDF) 4730-00-277-6371 October 2021

Criticality and Quality

Commercial Properties

Restrictions

Packaging Requirements