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NSN 1240-00-531-6361, 1240005316361
Cancelled -> Replaced by 6650005145449

Federal Supply Classification
FSC 1240 - Optical Sighting and Ranging Equipment
National Item Identification Number
NIIN 005316361
Codification Country
United States
Item Name Code
INC 10908
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
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DLMS® Summary

National Stock Number 1240-00-531-6361

National Stock Number (NSN) 1240-00-531-6361, or NIIN 005316361, (window,optical instrument) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 6650005145449.

There are no manufacturer part numbers associated to this NSN.

This part number has not been procured by the US Government in over 5 years.

This NSN is assigned to Item Name Code (INC) 10908. [A COLOR FREE ITEM OF TRANSPARENT OR TRANSLUCENT MATERIAL, USUALLY OPTICAL GLASS, HAVING SPECIFIC LIGHT DISPERSIVE AND REFRACTIVE PROPERTIES. THIS ITEM MUST HAVE TWO PLANE-PARALLEL SURFACES AND IS DESIGNED FOR USE IN AN OPTICAL INSTRUMENT TO PROVIDE A BARRIER TO FOREIGN MATTER AND/OR PERMIT LIGHT TRANSMISSION IN OR TO THE OPTICAL SYSTEM.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 1240005316361 does not contain precious metals.

This NSN is associated to Schedule B 9803200000: military equipments not identified by kind. The Schedule B End Use is listed as military apparel and footwear.

This information was last updated on .


Technical Characteristics

III MATERIAL
(MATL) GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE C, TYPE 517-645
MATERIAL
(MATT) GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE C, TYPE 517-645
DISPERSION
(BMSH) 64.5 ANGSTROMS NOMINAL
BEVEL ANGLE IN DEG
(BMSP) 42.000 MINIMUM AND 48.000 MAXIMUM
BEVEL DEPTH
(AJEF) 0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM
DIAMETER
(ABMZ) 2.261 INCHES MINIMUM AND 2.264 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-G-174, CLASS 1, GRADE C, TYPE 517-645 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIAL
(MATT) GLASS OPTICAL
POLISHED PERIPHERY
(BMSM) NOT PROVIDED
POLISHED SURFACE
(BMSG) BOTH
REFLECTION REDUCING SURFACE
(BMSK) BOTH
REFRACTION INDEX
(BMMX) 1.5170 NOMINAL
THICKNESS
(ABNM) 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
MATERIAL
(MATL) GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE C, TYPE 517-645
III MATERIAL
(MATT) GLASS, OPTICAL, MIL-G-174, CLASS 1, GRADE C, TYPE 517-645

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