NSN 1240-01-251-4849

Part Details | TELESCOPIC INSTRUMENT LIGHT FILTER

1240-01-251-4849 An item having two plane-parallel surfaces and used in the telescopic system of an optical instrument to modify the density or spectral intensity of light by absorption. Several filters having varied characteristics are usually mounted in such a manner that any selected filter may be moved in or out of the optical axis as light conditions warrant. Excludes WINDOW, OPTICAL INSTRUMENT.

Alternate Parts: 9377108, 9377108, 1240-01-251-4849, 01-251-4849, 1240012514849, 012514849

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12MAR 19, 198701-251-484913347 ( FILTER, LIGHT, TELESCOPIC INSTRUMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-251-4849
Part Number Cage Code Manufacturer
937710851298OPTEX SYSTEMS, INC.DBA APPLIED OPTICS CENTER
937710819200US ARMY ARDEC RDECOM
Technical Data | NSN 1240-01-251-4849
Characteristic Specifications
SURFACE PARALLELISM10.0 MINUTES
OVERALL LENGTH6.000 INCHES NOMINAL
OVERALL WIDTH3.370 INCHES NOMINAL
OVERALL THICKNESS0.310 INCHES NOMINAL
END ITEM IDENTIFICATIONM1,M1A1