NSN 1240-01-068-0399

Part Details | OPTICAL INSTRUMENT WINDOW

1240-01-068-0399 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: SMD805048, SM-D-805048, 1240-01-068-0399, 01-068-0399, 1240010680399, 010680399

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12NOV 15, 197801-068-039910908 ( WINDOW, OPTICAL INSTRUMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-068-0399
Part Number Cage Code Manufacturer
SM-D-80504880063US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS
Technical Data | NSN 1240-01-068-0399
Characteristic Specifications
POLISHED PERIPHERY PROVIDED
WIDTH1.670 INCHES NOMINAL
LENGTH3.370 INCHES NOMINAL
THICKNESS0.200 INCHES NOMINAL
SPECIAL FEATURESMATERIAL USED IN THE MANUFACTURE OF THIS OPTICAL PART SHALL NOT CONTAINTHORIUM,OTHER RADIOACTVE MATERIAL,OR ANY COMBINATION OF NUCLEAR MATERIALS INEXCESS OF 0.05 PERCENT BY WEIGHT AS DEFINED BY THE TITLE 10,CODE OF FEDERAL REGULATIONS,PART 40