NSN 1240-01-068-0743

Part Details | OPTICAL INSTRUMENT WINDOW

1240-01-068-0743 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: 12266718, 42029, 12266718, 1240-01-068-0743, 01-068-0743, 1240010680743, 010680743

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12NOV 15, 197801-068-074310908 ( WINDOW, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-068-0743
Part Number Cage Code Manufacturer
1226671803829GENERAL SCIENTIFIC CORPORATIONDIV GENERAL SCIENTIFIC CORP
4202993706RECON/OPTICAL, INC.DBA PACIFIC OPTICAL
1226671819207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 1240-01-068-0743
Characteristic Specifications
MATERIAL GLASS OPTICAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-174 MIL SPEC SINGLE MATERIAL RESPONSE
SURFACE FINISH GROUND AND POLISHED
POLISHED PERIPHERY PROVIDED
DIAMETER2.623 INCHES MINIMUM AND 2.625 INCHES MAXIMUM
THICKNESS0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM