NSN 1240-01-068-2421

Part Details | OPTICAL INSTRUMENT WINDOW

1240-01-068-2421 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.

Alternate Parts: 048080, 957C048080, 12266880, 1240-01-068-2421, 01-068-2421, 1240010682421, 010682421

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12NOV 18, 197801-068-242110908 ( WINDOW, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-068-2421
Part Number Cage Code Manufacturer
04808034228L3 TECHNOLOGIES, INC.DBA L3 KEO
957C04808034228L3 TECHNOLOGIES, INC.DBA L3 KEO
1226688019207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 1240-01-068-2421
Characteristic Specifications
POLISHED PERIPHERY NOT PROVIDED
DIAMETER50.6 MILLIMETERS MINIMUM AND 51.0 MILLIMETERS MAXIMUM
THICKNESS5.8 MILLIMETERS MINIMUM AND 6.0 MILLIMETERS MAXIMUM