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1240-00-382-5897

Optical Element Retaining Ring

1240003825897 003825897 481117PC4 265451 481117-4 654780

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

1240-00-382-5897 RING,RETAINING,OPTICAL ELEMENT 1240003825897 003825897

Managed by United States
NSN Created on 1 Jan 1963
Data Last Changed
August 2025
NATO Update Count
16
NATO Data Quality
1240-00-382-5897 RING,RETAINING,OPTICAL ELEMENT 1240003825897 003825897 1/1
NSN 1240-00-382-5897 (Generic Image) 1/1

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1240-00-382-5897 Related Documents Related Documents 1240-00-382-5897 4+ Documents (More...)

481117PC4 265451 481117-4 654780 A cylindrical item having an internally flanged diameter designed to
United States (US) 4. 1240-00-382-5897 Marketplace Restrictions Approved Sources Datasheet Management
RQST NE Updated Every Day 1240-00-382-5897 RQST Updated Every Day 1240-00-382-5897 RQST NE Related
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1240-00-382-5897 Demil Restrictions 1240-00-382-5897

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

1240-00-382-5897 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 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.

1240-00-382-5897 HTS and ScheduleB Import and Export 1240-00-382-5897

1240-00-382-5897 End Users End Users 1240-00-382-5897

US Navy (N9BN)
Effective Date:
1 Jul 2005
Former MOE Rule:
N9ND
Supplementary Collaborators:
HD
Spain (YB01)
Effective Date:
1 Apr 1991
Turkey (ZW01)
Effective Date:
1 Nov 1998

1240-00-382-5897 Manufacturers Approved Sources 1240-00-382-5897

1240-00-382-5897 Technical Data Datasheet 1240-00-382-5897

Characteristic
Specifications
FIIG
T271-J
Aperture Diameter [ABVL]
3.125 Inches Nominal
Groove Location [BMTY]
Inside Face Of Flange
End Item Identification [AGAV]
Gun Sight Mk15
Material [MATT]
Copper Alloy
Internal Flange Thickness [BMTL]
0.062 Inches Nominal
Outside Diameter [ABKV]
3.375 Inches Nominal
Surface Treatment [SFTT]
Fnaaf0 And Enamel

1240-00-382-5897 Stock, Inventory and Procurement DLA Procurement Analysis 1240-00-382-5897

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1240-00-382-5897 Management Data Management Data 1240-00-382-5897

Effective Date
Organization
Unit of Issue
Unit Price
Qty Unit Pack
Mar 2023
Defense Logistics Agency (DS)
EA
Subscribe
1
Oct 2021
Department of the Navy (DN)
EA
Subscribe
1
Oct 2020
Department of the Navy (DN)
EA
Subscribe
1
Oct 2019
Department of the Navy (DN)
EA
Subscribe
1
MOE
USC
Code
Statement
Order of Use
Jump To Code
Qty Per Assy
UOM
Technical Document
Quantative Expression
Department of the Navy (DN)
N
X
Formerly 1220
Defense Logistics Agency (DS)
I
X
Formerly 1220

Navy Navy

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

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1240-00-382-5897 Freight Data Freight Information 1240-00-382-5897

1240-00-382-5897 has freight characteristics.It has a National Motor Freight Classification (NMFC) of 058110. A Sub NMFC of X. It has a NMFC Description of OPTICAL GOODS OR INSTRUMENTS NOI. 1240-00-382-5897 is rated as class 200 when transported by Less-Than Truckload (LTL) freight. It has a Uniform Freight Classification (UFC) number of 33110 which rates the freight between FCL and LCL. 1240-00-382-5897 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 744 for ocean manifesting and military sealift. 1240-00-382-5897 is not classified as a special type of cargo when transported by water. 1240-00-382-5897 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.

1240-00-382-5897 Packaging Data Packaging Data 1240-00-382-5897

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
--
--
--
Physical Protection
Any Suitable Process
Preservation Material
Wrapping Material
Cushioning/Dunnage
Cushioning Thickness
Container
Special Marking
No Requirement
No Requirement
--
--
PPP-B-566, PPP-B-676, or ASTM-D5118, Folding, Setup or Fiberboard Box
No special marking

Intermediate Pack Level

Quantity of Unit Packs
Container
--
No Requirement

1240-00-382-5897 Contracting Technical Data File (CTDF) Contracting Technical Data File (CTDF) 1240-00-382-5897 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: