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 5950-00-288-5994
NSN 5835-01-104-1299
NSN 5930-01-366-9554
NSN 2925-01-573-1067
NSN 5965-01-600-0566
NSN 5905-01-505-3040
NSN 5996-01-259-1041
NSN 5996-01-129-9494
NSN 6135-01-275-1363
NSN 6220-01-045-2162
NSN 6240-00-509-2485
NSN 5998-01-448-9463