NSN 1240-00-540-6185

Part Details | OPTICAL INSTRUMENT WINDOW

1240-00-540-6185 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: A11233, 1240005406185, 8229032, 8229032, 8229032, 1240-00-540-6185, 00-540-6185, 1240005406185, 005406185

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12JAN 01, 196300-540-618510908 ( WINDOW, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-540-6185
Part Number Cage Code Manufacturer
A1123305584AUTODYNE MANUFACTURING CO., INC.
1240005406185SCY13E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES
822903203829GENERAL SCIENTIFIC CORPORATIONDIV GENERAL SCIENTIFIC CORP
822903211934SEILER INSTRUMENT AND MANUFACTURINGCOMPANY, INCORPORATED
822903219200US ARMY ARDEC RDECOM
Technical Data | NSN 1240-00-540-6185
Characteristic Specifications
POLISHED SURFACE BOTH
POLISHED PERIPHERY NOT PROVIDED
DIAMETER1.528 INCHES MINIMUM AND 1.531 INCHES MAXIMUM
THICKNESS0.240 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
SPECIAL FEATURESLIGHT DEVIATION NOT TO EXCEED 5 MIN OF ARC AND SURFACE QUALITY 80-50
CRITICALITY CODE JUSTIFICATIONFEAT
FSC APPLICATION DATAINFINITY SIGHT