NSN 1240-01-079-9839

Part Details | OPTICAL ELEMENT CELL

1240-01-079-9839 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.

Alternate Parts: 12266782, 1240-01-079-9839, 01-079-9839, 1240010799839, 010799839

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12JUL 17, 197901-079-983921859 ( CELL, OPTICAL ELEMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-079-9839
Part Number Cage Code Manufacturer
1226678219207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 1240-01-079-9839
Characteristic Specifications
MATERIAL ALUMINUM ALLOY
THREAD LOCATION EXTERNAL
THREAD SIZEA4.812-32$$A4.916-32
SCREW THREAD SERIES DESIGNATOR UNS AND UNS
THREAD CLASSA2B$$A2A
THREAD PITCH DIAMETERS+4.7917 TO +4.7983 INCHES AND +4.8895 TO +4.8942 INCHES
THREAD LENGTH4.812 INCHES AND 4.916 INCHES
THREAD DIRECTION RIGHT-HAND AND RIGHT-HAND
ECCENTRIC CONSTRUCTION NOT PROVIDED
CHAMFER LOCATION THREADED END
CHAMFER SIZE0.030 IN. BY 45 DEG
OVERALL LENGTH4.874 INCHES MINIMUM AND 4.875 INCHES MAXIMUM
OVERALL WIDTH2.620 INCHES MINIMUM AND 2.640 INCHES MAXIMUM
OVERALL DIAMETER5.088 INCHES MINIMUM AND 5.090 INCHES MAXIMUM