NSN 1240-00-332-1786

Part Details | OPTICAL INSTRUMENT WINDOW

1240-00-332-1786 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: 10556138, 10556138, 1240-00-332-1786, 00-332-1786, 1240003321786, 003321786

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12DEC 09, 197300-332-178610908 ( WINDOW, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-332-1786
Part Number Cage Code Manufacturer
1055613814001GRAYCO OPTICAL CORP
1055613819200US ARMY ARDEC RDECOM
Technical Data | NSN 1240-00-332-1786
Characteristic Specifications
MATERIAL GLASS PLATE
MATERIAL DOCUMENT AND CLASSIFICATIONDD-G-451, TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE
POLISHED SURFACE ONE
POLISHED PERIPHERY NOT PROVIDED
DIAMETER2.805 INCHES MINIMUM AND 2.810 INCHES MAXIMUM
THICKNESS0.219 INCHES NOMINAL