NSN 1240-00-109-4451

Part Details | OPTICAL INSTRUMENT WINDOW

1240-00-109-4451 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: 1240001094451, 105142541, 10514254-1, 1240-00-109-4451, 00-109-4451, 1240001094451, 001094451

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12AUG 09, 196800-109-445110908 ( WINDOW, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-109-4451
Part Number Cage Code Manufacturer
1240001094451A00AME.C.A ETABLISSEMENT CENTRALDESAPPROVISIONNEMENTS DES FORCES
10514254-119200US ARMY ARDEC RDECOM
Technical Data | NSN 1240-00-109-4451
Characteristic Specifications
REFRACTION INDEX1.5171 NOMINAL
POLISHED SURFACE BOTH
REFLECTION REDUCING SURFACE BOTH
POLISHED PERIPHERY NOT PROVIDED
DIAMETER106.363 MILLIMETERS NOMINAL
THICKNESS9.982 MILLIMETERS NOMINAL
BEVEL ANGLE IN DEG45.000 NOMINAL
BEVEL DEPTH2.997 MILLIMETERS NOMINAL
FSC APPLICATION DATAPERISCOPE M32,M32C,M35