NSN 1240-01-079-2895

Part Details | INTERFERENCE LIGHT FILTER

1240-01-079-2895 A light transmitting item consisting of a transparent, flat glass body having two plane-parallel surfaces, either with only nonabsorbing dielectric coatings or absorbing and nonabsorbing coatings of a thickness nearly equivalent to the wavelength of the transmitted light. Interference begins at the thin bordering surfaces of the coatings, the penetrating light waves being superimposed on the reflected light waves. The item can be installed in various optical insturments, to serve as an eye protecting device.

Alternate Parts: 12278913, 1240-01-079-2895, 01-079-2895, 1240010792895, 010792895

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
12JUL 01, 197901-079-289533094 ( FILTER, LIGHT, INTERFERENCE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 1240-01-079-2895
Part Number Cage Code Manufacturer
1227891319200US ARMY ARDEC RDECOM
Technical Data | NSN 1240-01-079-2895
Characteristic Specifications
MATERIAL PLASTIC CELLULOSE ACETATE BUTYRATE
SURFACE MATERIAL GLASS
SURFACE PARALLELISM5.0 MINUTES
END ITEM IDENTIFICATIONGOES ON XM1 TANK