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1240-00-931-8901

Optical Element Retaining Ring

1240009318901 009318901 7791929

A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. It may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. For externally threaded items, see RETAINER, OPTICAL ELEMENT. Excludes CELL, OPTICAL ELEMENT; NUT, PLAIN KNURLED; NUT, PLAIN ROUND; and RING, RETAINING. View more Optical Element Retaining Ring

1240-00-931-8901 RING,RETAINING,OPTICAL ELEMENT 1240009318901 009318901

Managed by United States
NSN Created on 29 Apr 1968
Data Last Changed
May 2023
NATO Update Count
20
NATO Data Quality
1240-00-931-8901 RING,RETAINING,OPTICAL ELEMENT 1240009318901 009318901 1/1
NSN 1240-00-931-8901 (Generic Image) 1/1

1240-00-931-8901 Stock and Availability Marketplace 1240-00-931-8901

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1240-00-931-8901 Related Documents Related Documents 1240-00-931-8901 1+ Documents (More...)

7791929 A cylindrical item having an internally flanged diameter designed to retain a lens or window
United States (US) 4. 1240-00-931-8901 Marketplace Restrictions Approved Sources Datasheet Management
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1240-00-931-8901 Demil Restrictions 1240-00-931-8901

DEMIL: B | DEMILI: 3 | CRITICALITY: X | HMIC: N | PMIC: A | EDC: | ADPEC: 0

1240-00-931-8901 is a Optical Element Retaining Ring that does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. This item has been confirmed as a Critical Munitions List Item or a Sensitive Commerce Control List Item and cannot be in the possession of any party anywhere in the World who is not an authorized NATO Government. Any other possessor of this item should mutilate it now as possession violates international and local laws. This item is a US Munitions List Item and must be mutilated to scrap. This item is not suspected to be hazardous. This item does not contain a precious metal.

1240-00-931-8901 HTS and ScheduleB Import and Export 1240-00-931-8901

1240-00-931-8901 End Users End Users 1240-00-931-8901

US Army (A918)
Effective Date:
1 Apr 2006
Former MOE Rule:
A196

1240-00-931-8901 Manufacturers Approved Sources 1240-00-931-8901

1240-00-931-8901 Technical Data Datasheet 1240-00-931-8901

Characteristic
Specifications
FIIG
T271-J
Aperture Diameter [ABVL]
0.880 Inches Minimum And 0.920 Inches Maximum
Groove Diameter [AAVZ]
1.322 Inches Minimum And 1.330 Inches Maximum
Groove Location [BMTY]
Adjacent To Internal Flange
Material [MATT]
Brass,Qq-B-626,Comp 360,1/2H
Fsc Application Data [ZZZV]
Sight,Reflex
Inner Groove Width [ADWA]
0.050 Inches Minimum And 0.070 Inches Maximum
Internal Flange Thickness [BMTL]
0.060 Inches Minimum And 0.080 Inches Maximum
Screw Thread Series Designator [AJYP]
Uns
Outside Diameter [ABKV]
1.377 Inches Minimum And 1.385 Inches Maximum
Overall Length [ABHP]
0.340 Inches Minimum And 0.341 Inches Maximum
Special Features [FEAT]
Drilled Face Drive Type,Two 0.077 In. Dia. Holes Spaced 180 Deg Apart On A 1.156 In. Bolt Circle Dia. On Internal Flange End.
Thread Class [AAJD]
3B
Thread Direction [AAJF]
Right-Hand
Thread Length [ABET]
0.200 Inches
Thread Location [APJC]
Internal
Thread Size [ABUJ]
1.312 In.-48
Surface Treatment [SFTT]
Black Oxide,Mil-F-495

1240-00-931-8901 Stock, Inventory and Procurement DLA Procurement Analysis 1240-00-931-8901

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1240-00-931-8901 Management Data Management Data 1240-00-931-8901

Effective Date
Organization
Unit of Issue
Unit Price
Qty Unit Pack
Mar 2023
Defense Logistics Agency (DS)
EA
Subscribe
1
Oct 2022
Department of the Army (DA)
EA
Subscribe
1
Oct 2021
Defense Logistics Agency (DS)
EA
Subscribe
1
Oct 2020
Defense Logistics Agency (DS)
EA
Subscribe
1
Feb 2020
Department of the Army (DA)
EA
Subscribe
1
MOE
USC
Code
Statement
Order of Use
Jump To Code
Qty Per Assy
UOM
Technical Document
Quantative Expression
Defense Logistics Agency (DS)
I
X
Formerly 1270

Army Army

Materiel Category and Inventory Manager:
Q
Electronics 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:
00
DLA/GSA Material
DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
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.

1240-00-931-8901 Related Items NATO Stock Numbers Related to 1240-00-931-8901

1240-00-931-8901 Freight Data Freight Information 1240-00-931-8901

1240-00-931-8901 has freight characteristics.It has a National Motor Freight Classification (NMFC) of 095190. A Sub NMFC of J. It has a NMFC Description of HARDWARE, NOI SUB 9. 1240-00-931-8901 is rated as class 70 when transported by Less-Than Truckload (LTL) freight. 1240-00-931-8901 is rated as class 200 when transported by Less-Than Carload (LCL) rail or ocean freight. It has a Uniform Freight Classification (UFC) number of 49790 which rates the freight between FCL and LCL. 1240-00-931-8901 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 713 for ocean manifesting and military sealift. 1240-00-931-8901 is not classified as a special type of cargo when transported by water. 1240-00-931-8901 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.

1240-00-931-8901 Packaging Data Packaging Data 1240-00-931-8901

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
--
--
--
0.25 lb or less, one dimension 2" or less, other dimensions less than 24"
85 to 110G
No Requirement

Unit Pack Level (Packaged)

Quantity per Pack
Unit Size
Unit Weight
Unit Cube
Preservation Method
Cleaning/Drying
1
--
--
--
--
--
Preservation Material
Wrapping Material
Cushioning/Dunnage
Cushioning Thickness
Container
Special Marking
--
--
--
--
--
No special marking

Intermediate Pack Level

Quantity of Unit Packs
Container
See Method of Preservation
--

1240-00-931-8901 Contracting Technical Data File (CTDF) Contracting Technical Data File (CTDF) 1240-00-931-8901 October 2021

Criticality and Quality

Critical Item Code:
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):
N

Packaging Requirements

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