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 5950-01-049-3767
NSN 6650-01-185-9067
NSN 5920-00-488-9359
NSN 6610-01-290-2627
NSN 6110-00-231-9493
NSN 6110-01-537-0889
NSN 5835-00-187-1481
NSN 5930-01-575-3271
NSN 5930-01-289-2118
NSN 6320-01-056-1164
NSN 5910-00-580-4742
NSN 6320-01-607-0347