NSN 1240-01-116-6993

Part Details | OPTICAL INSTRUMENT WINDOW

1240-01-116-6993 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: L317000135, L317000135, 1240-01-116-6993, 01-116-6993, 1240011166993, 011166993

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12AUG 01, 198101-116-699310908 ( WINDOW, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-116-6993
Part Number Cage Code Manufacturer
L31700013536090LOCKHEED MARTIN LIBRASCOPECORP
L31700013510001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 1240-01-116-6993
Characteristic Specifications
MATERIAL GLASS PLATE
MATERIAL DOCUMENT AND CLASSIFICATIONDD-G-451, TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE
POLISHED SURFACE BOTH
REFLECTION REDUCING SURFACE BOTH
POLISHED PERIPHERY NOT PROVIDED
WIDTH21.969 INCHES MINIMUM AND 22.031 INCHES MAXIMUM
LENGTH24.969 INCHES MINIMUM AND 25.031 INCHES MAXIMUM
THICKNESS0.344 INCHES MINIMUM AND 0.422 INCHES MAXIMUM