6650-00-764-9252 (7649252)
NSN 6650-00-764-9252 (NIIN 00-764-9252) is an optical element spacer in Federal Supply Class 6650, Optical Instruments, Test Equipment, Components And Accessories — a tubular shaped item designed to maintain a predetermined distance between optical elements, such as lenses, reticles, and the like. Manufacturer part number 7649252 (Combat Capabilities Development, CAGE 19200).
NIIN assigned January 1962; DEMIL B (USML, demil required); ESD/EMI-sensitive; export Schedule B 9018.50.0000; ships at 0.01 lb / 0.0001 cu ft.