NSN 1240-00-530-0735

Part Details | OPTICAL INSTRUMENT WINDOW

1240-00-530-0735 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: 322979PC7, 1240-00-530-0735, 00-530-0735, 1240005300735, 005300735

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12JAN 01, 196300-530-073510908 ( WINDOW, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-530-0735
Part Number Cage Code Manufacturer
322979PC710001NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT
Technical Data | NSN 1240-00-530-0735
Characteristic Specifications
REFRACTION INDEX1.5230 NOMINAL
DISPERSION58.6 ANGSTROMS NOMINAL
POLISHED SURFACE BOTH
REFLECTION REDUCING SURFACE BOTH
POLISHED PERIPHERY NOT PROVIDED
DIAMETER22.802 MILLIMETERS MINIMUM AND 23.000 MILLIMETERS MAXIMUM
THICKNESS3.9542 MILLIMETERS MINIMUM AND 4.0457 MILLIMETERS MAXIMUM
FSC APPLICATION DATARANGEFINDER MK 63