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

Federal Supply Classification
FSC 1240 - Optical Sighting and Ranging Equipment
National Item Identification Number
NIIN 009318901
Codification Country
United States
Item Name Code
INC 22585
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 1240-00-931-8901

National Stock Number (NSN) 1240-00-931-8901, or NIIN 009318901, (ring,retaining,optical element) was assigned April 29, 1968 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

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.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 22585. [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.]. 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 1240009318901 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

KNURLED PERIPHERY
(BPDQ) NOT PROVIDED
SURFACE TREATMENT
(SURF) BLACK OXIDE,MIL-F-495
APERTURE DIAMETER
(ABVL) 0.880 INCHES MINIMUM AND 0.920 INCHES MAXIMUM
FSC APPLICATION DATA
(ZZZV) SIGHT,REFLEX
GROOVE DIAMETER
(AAVZ) 1.322 INCHES MINIMUM AND 1.330 INCHES MAXIMUM
GROOVE LOCATION
(BMTY) ADJACENT TO INTERNAL FLANGE
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
OUTSIDE DIAMETER
(ABKV) 1.377 INCHES MINIMUM AND 1.385 INCHES MAXIMUM
OVERALL LENGTH
(ABHP) 0.340 INCHES MINIMUM AND 0.341 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-B-626,COMP 360,1/2H FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL
(MATT) COPPER ALLOY 360
SCREW THREAD SERIES DESIGNATOR
(AJYP) UNS
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.
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENT
(SFTT) OXIDE
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD CLASS
(AAJD) 3B
THREAD LENGTH
(ABET) 0.200 INCHES
THREAD LOCATION
(APJC) INTERNAL
THREAD SIZE
(ABUJ) 1.312 IN.-48
III FSC APPLICATION DATA
(ZZZV) SIGHT,REFLEX
SURFACE TREATMENT
(SFTT) BLACK OXIDE,MIL-F-495
III MATERIAL
(MATL) BRASS,QQ-B-626,COMP 360,1/2H
MATERIAL
(MATL) BRASS,QQ-B-626,COMP 360,1/2H
UNABLE TO DECODE
(SURF) UNABLE TO DECODE
UNABLE TO DECODE
(MATL) UNABLE TO DECODE
MATERIAL
(MATT) BRASS,QQ-B-626,COMP 360,1/2H

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