NSN 1240-00-903-7226

Part Details | OPTICAL INSTRUMENT WINDOW

1240-00-903-7226 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: 8216016, 1240-00-903-7226, 00-903-7226, 1240009037226, 009037226

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12JAN 01, 196000-903-722610908 ( WINDOW, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-903-7226
Part Number Cage Code Manufacturer
821601619200US ARMY ARDEC RDECOM
Technical Data | NSN 1240-00-903-7226
Characteristic Specifications
MATERIAL GLASS PLATE
MATERIAL DOCUMENT AND CLASSIFICATIONDD-G-451, TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE
POLISHED SURFACE ONE
DIFFUSION PRODUCING SURFACE ONE
SURFACE FINISH GROUND
POLISHED PERIPHERY NOT PROVIDED
DIAMETER27.940 MILLIMETERS NOMINAL
THICKNESS2.540 MILLIMETERS NOMINAL
BEVEL ANGLE IN DEG45.000 NOMINAL
BEVEL DEPTH0.254 MILLIMETERS NOMINAL