Item number 77 retainer .
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.
Glass, optical, mil-g-174, class 1, grade c, type 523-586 material, glass, optical, mil-g-174, class 1, grade c, type 523-586 iii material
2.300 inches diameter, 0.125 inches thickness, ground surface finish, glass, optical, mil-g-174, grade d, type 517-645 material
Radar set group application design, 23.938 inches body length, 17.938 inches body width, eight washers, eight eyelets, four on each side mounting configuration
Radar set group application design, 23.938 inches body length, 17.938 inches body width, eight washers, eight eyelets, four on each side mounting configuration
Radar set group application design, 23.938 inches body length, 17.938 inches body width, eight washers, eight eyelets, four on each side mounting configuration
NSN 5821-01-437-9025
NSN 5810-01-628-7468
NSN 5805-01-648-7210
NSN 1240-01-602-8216
NSN 1285-00-248-7164
NSN 6110-01-417-8928
NSN 5826-00-398-0574
NSN 5965-01-227-4517
NSN 5815-01-585-6161
NSN 5815-00-861-8949
NSN 6605-00-200-4321
NSN 6730-01-347-1677
Last modified 05/16/2024