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 5998-01-003-4916
NSN 5990-01-027-8260
NSN 5950-01-519-2069
NSN 5835-01-285-3704
NSN 5985-01-226-4311
NSN 5925-01-026-9649
NSN 5855-01-400-1590
NSN 5996-01-415-3291
NSN 5985-00-824-9413
NSN 5965-01-174-6995
NSN 7035-01-114-3134
NSN 5895-01-444-5142