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NSN 1240-00-321-8551, 1240003218551
CELL,OPTICAL ELEMENT

Federal Supply Classification
FSC 1240 - Optical Sighting and Ranging Equipment
National Item Identification Number
NIIN 003218551
Codification Country
United States
Item Name Code
INC 21859
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 1240-00-321-8551

National Stock Number (NSN) 1240-00-321-8551, or NIIN 003218551, (cell,optical element) was assigned November 16, 1973 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: Acquire only from the prime contractor although the engineering data identifies the Commercial and Government Entity Code (CAGE) and part number of a source other than the prime contractor. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 21859. [A CYLINDRICAL ITEM SPECIFICALLY DESIGNED TO HOLD A LENS, RETICLE, OR WINDOW IN AN OPTICAL SYSTEM. INCLUDES ECCENTRIC CELLS AND/OR RINGS DESIGNED TO BE ROTATED WITHIN THE INSTRUMENT TO SHIFT AN OPTICAL ELEMENT TO A PRESCRIBED POSITION.]. 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 1240003218551 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

THREAD DIRECTION
(AAJF) RIGHT-HAND AND RIGHT-HAND
MATERIAL
(MATL) ALUMINUM ALLOY, QQ-A-225/6, ALLOY 2024, T351 OR ALUMINUM ALLOY, QQ-A-225/8, T651
III MATERIAL
(MATL) ALUMINUM ALLOY, QQ-A-225/6, ALLOY 2024, T351 OR ALUMINUM ALLOY, QQ-A-225/8, T651
THREAD DIRECTION
(AAJF) RIGHT-HANDRIGHT-HAND
UNABLE TO DECODE
(SURF) UNABLE TO DECODE
UNABLE TO DECODE
(MATL) UNABLE TO DECODE OR UNABLE TO DECODE
SURFACE TREATMENT
(SURF) ANODIZED BLACK
ECCENTRIC CONSTRUCTION
(BMTZ) NOT PROVIDED
CHAMFER LOCATION
(BPDC) LARGER DIAMETER END
CHAMFER SIZE
(BPDD) 0.375 IN. BY 15 DEG
OVERALL DIAMETER
(ADAV) 2.312 INCHES NOMINAL
OVERALL LENGTH
(ABHP) 1.344 INCHES NOMINAL
MATERIAL
(MATT) ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061
SCREW THREAD SERIES DESIGNATOR
(AJYP) UN
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD CLASS
(AAJD) 2B AND 2A
THREAD LOCATION
(APJC) INTERNAL AND EXTERNAL
THREAD SIZE
(ABUJ) 7/8-32 AND 1 1/16-28
SCREW THREAD SERIES DESIGNATOR
(AJYP) UNUN
SCREW THREAD SERIES DESIGNATOR
(AJYP) UN AND UN

Manufacturer Part Numbers


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