No other part numbers with same form, fit, and function found.
A cylindrical, externally threaded item having a centrally located hole specifically designed to retain by means of either a raised box (shoulder), or counterbore, countersink, or a similar shaped recess, an optical element such as a lens, reticle, cell, and the like, in optical assemblies. It must have drilled holes or slots to facilitate assembly and disassembly. For items which house the optical element(s), and form the internal or central portions of an optical system, see cell, optical element. Excludes ring, externally threaded.
Classification: Military equipments not identified by kind
NSN 6130-01-522-0747
NSN 5835-00-233-6327
NSN 4140-01-467-1986
NSN 5905-01-391-7497
NSN 5965-01-633-8849
NSN 5910-01-050-8407
NSN 5905-00-045-9389
NSN 5999-00-541-4724
NSN 6240-01-577-0267
NSN 6220-00-034-7280
NSN 5925-01-038-7925
NSN 5965-00-988-8770