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NSN 1240-01-076-2074, 1240010762074
CELL,OPTICAL ELEMENT

Federal Supply Classification
FSC 1240 - Optical Sighting and Ranging Equipment
National Item Identification Number
NIIN 010762074
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 1240-01-076-2074

National Stock Number (NSN) 1240-01-076-2074, or NIIN 010762074, (cell,optical element) was assigned May 3, 1979 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.

This NSN is unique to one weapons system.

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 1240010762074 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

MATERIAL
(MATL) ALUMINUM ALLOY, QQ-A-601, ALLOY 356, T6
THREAD PITCH DIAMETERS
(AAJE) +2.6797/+2.6855 INCHES
ECCENTRIC CONSTRUCTION
(BMTZ) NOT PROVIDED
MATERIAL
(MATT) ALUMINUM ALLOY 356.0
SCREW THREAD SERIES DESIGNATOR
(AJYP) UNS
SPECIAL FEATURES
(FEAT) CELL-FOLDING MIRROR,WIDE ANGLE OBJECTIVE; ITEM IS 3 SIDED WITH 3 OPENINGS,2.825 INSIDE DIA,1.750 INSIDE DIA,AND 1.710 INSIDE DIA; INCLUDES 4 EQSP THREADED HOLES,0.138-32UNC-2B X .32 DP ON 3.250 DIA B.C.; INCLUDES 3 EQ SP HOLES,0.120 DIA DRILL POINT 0.036 DP ON 2.562 DIA B.C.; INCLUDES 4 EQ SP THREADED HOLES,0.138-32UNC-2B X .32 DP ON 2.062 DIA B.C.; INCLUDES 0.128 DIA THRU TO BORE,CBORE .38 DIA X .13 DEEP,0.164-32UNC-2B X .25 DP; USED ON M901
THREAD CLASS
(AAJD) 2B
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD PITCH DIAMETERS
(AAJE) +2.6797 TO 2.6855 INCHES
THREAD LOCATION
(APJC) INTERNAL
THREAD SIZE
(ABUJ) 2 45/64-32
III MATERIAL
(MATL) ALUMINUM ALLOY, QQ-A-601, ALLOY 356, T6
SURFACE TREATMENT
(SURF) ANODIZED, MIL-A-8625, TYPE 2, CLASS 2
UNABLE TO DECODE
(SURF) UNABLE TO DECODE
UNABLE TO DECODE
(MATL) UNABLE TO DECODE

Manufacturer Part Numbers


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