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1240-01-172-2121

Optical Element Retaining Ring

1240011722121 011722121 82A5027A1506

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

Managed by United States

NSN Created on 16 Feb 1984

Data Last Changed
November 2023

NATO Update Count
16

NATO Data Quality

1240-01-172-2121 RING,RETAINING,OPTICAL ELEMENT 1240011722121 011722121 1/1 — NSN 1240-01-172-2121 (Generic Image) 1/1

Marketplace 1240-01-172-2121

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1240-01-172-2121 RING,RETAINING,OPTICAL ELEMENT RQST NS

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Restrictions 1240-01-172-2121

1240-01-172-2121 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. Demilitarization of this item has been confirmed and is not currently subject to changes. This item is a US Munitions List or Commerce Control List Item which must be destroyed to prevent restoration or repair. Only authorized parties may possess this item. This item is not suspected to be hazardous. This item does not contain a precious metal.

Import and Export 1240-01-172-2121

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End Users 1240-01-172-2121

US Marine Corps (MC49)
Effective Date:: 1 Apr 2006
Former MOE Rule:: MC63; AMC 1 AMSC G IMC Z IMCACTY PA

US Navy (N9BN)
Effective Date:: 1 Dec 2013
Supplementary Collaborators:: GG; AMC 1 AMSC G IMC Z IMCACTY GH

Approved Sources 1240-01-172-2121

Part Number
Manufacturer
Status
82A5027A1506: 01365 - Marine Corps Systems Command (Active); Primary Buy; RNCC 3 RNVC 2 DAC A
82A5027A1506: 27777 - L3 Technologies, Inc. (Obsolete); Canceled/Obsolete; RNCC 5 RNVC 9 DAC 5

Datasheet 1240-01-172-2121

Characteristic
Specifications
FIIG: T271-J
Aperture Diameter [ABVL]: 12.5 Millimeters Minimum And 12.9 Millimeters Maximum
Material [MATT]: Aluminum Alloy A413.0
Mounting Configuration [ALGC]: Two Holes On 25.2 Mm Minimum And 25.6 Mm Maximum Circle,3.0 Mm Minimum And 4.0 Mm Maximum Dia
Outside Diameter [ABKV]: 31.63 Millimeters Minimum And 31.87 Millimeters Maximum
Internal Flange Thickness [BMTL]: 1.27 Millimeters Nominal
Overall Length [ABHP]: 7.63 Millimeters Minimum And 7.87 Millimeters Maximum

Weapon Systems (WSDC) 1240-01-172-2121

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DLA Procurement Analysis 1240-01-172-2121

Last Stock Position:: 9 In Stock
DLA Administrative Lead Time:: Subscribe
DLA Production Lead Time:: Subscribe

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Management Data 1240-01-172-2121

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Effective Date: Organization; Unit of Issue; Unit Price; Qty Unit Pack
Oct 2022: Defense Logistics Agency (DS); EA; Subscribe; 1
Oct 2021: Defense Logistics Agency (DS); EA; Subscribe; 1
Oct 2020: Defense Logistics Agency (DS); EA; Subscribe; 1
Feb 2020: US Marine Corps (DM); EA; Subscribe; 1

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:

0: Non-combat Essential End Item

Echelon Management:

B2

Material Identification:

B: Consumable Repair Parts

Operational Test:

: No Special Procedures

Physical Category:

1: Bin

NATO Stock Numbers Related to 1240-01-172-2121

6650-33-103-0147 6650-14-520-9504 1240-14-448-2580 6650-27-011-0457 1240-14-418-0637 5855-27-008-8613 1240-14-334-4725 1240-14-437-0281 1240-14-330-9708 1240-14-421-6111 5855-27-018-2771 6760-12-314-9732 6650-99-342-0962 6650-21-920-8534 6650-12-344-9453 1240-21-887-4474 6650-27-024-1887 6650-25-136-4592

Freight Information 1240-01-172-2121

1240-01-172-2121 has freight characteristics.It has a National Motor Freight Classification (NMFC) of 013120. A Sub NMFC of F. It has a NMFC Description of ALUMINUM ARTICLE NOI SUB 6. 1240-01-172-2121 is rated as class 100 when transported by Less-Than Truckload (LTL) freight. It has a Uniform Freight Classification (UFC) number of 05380 which rates the freight between FCL and LCL. 1240-01-172-2121 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 72D for ocean manifesting and military sealift. 1240-01-172-2121 is not classified as a special type of cargo when transported by water. 1240-01-172-2121 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 1240-01-172-2121

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: --; --; Plated/Coated Item; Over 10lb; Less than 85G; No Requirement

Unit Pack Level (Packaged)

Quantity per Pack
Unit Size
Unit Weight
Unit Cube
Preservation Method
Cleaning/Drying: 1; 1.2" H x 1.2" W x 0.3" L; --; --; Physical Protection; Any Suitable Process

Preservation Material
Wrapping Material
Cushioning/Dunnage
Cushioning Thickness
Container
Special Marking: No Requirement; --; No Requirement; Not Applicable; Bags made of material conforming to MIL-P-130, MIL-DTL-17667, MIL-PRF-121, or any material authorized by MIL-DTL-117. Closure may be by staples, tape, adhesive or heat seal; No special marking

Intermediate Pack Level

Quantity of Unit Packs
Container: PPP-B-566, PPP-B-676, or ASTM-D5118, Folding, Setup or Fiberboard Box

Contracting Technical Data File (CTDF) 1240-01-172-2121 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):: T

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:

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