NSN 1240-00-871-2884

Part Details | TELESCOPIC INSTRUMENT LIGHT FILTER

1240-00-871-2884 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: 1240008712884, 12408712884, 1240-871-2884, 8574728, 8574728, 8574728, 1240-00-871-2884, 00-871-2884, 1240008712884, 008712884

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12JAN 01, 196200-871-288413347 ( FILTER, LIGHT, TELESCOPIC INSTRUMENT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-00-871-2884
Part Number Cage Code Manufacturer
1240008712884SCY13E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES
1240-871-2884SCY13E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES
857472834870FJW OPTICAL SYSTEMS, INC.
857472814001GRAYCO OPTICAL CORP
857472819200US ARMY ARDEC RDECOM
Technical Data | NSN 1240-00-871-2884
Characteristic Specifications
DENSITY VARIABILITY NOT VARIABLE
SURFACE MATERIAL GLASS
LENGTH0.656 INCHES MINIMUM AND 0.672 INCHES MAXIMUM
DIAMETER2.370 INCHES MINIMUM AND 2.375 INCHES MAXIMUM
SPECIAL FEATURESNEUTRAL GLASS FILTER