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 6220-01-469-6731
NSN 5895-01-055-0393
NSN 5855-00-466-2309
NSN 5935-01-590-6722
NSN 6645-00-947-0625
NSN 5965-00-674-5380
NSN 6645-00-559-3623
NSN 6135-00-951-2890
NSN 5925-01-620-7705
NSN 5855-01-526-4703
NSN 5935-01-606-8480
NSN 6240-01-535-6101