A cylindrical item specifically designed to hold a lens, reticle, or window in an optical system. Includes eccentric cells and/or rings designed to be rotated within the instrument to shift an optical element to a prescribed position.
Classification: Military equipments not identified by kind
NSN 5975-01-431-6794
NSN 5945-00-584-2046
NSN 5950-00-839-8109
NSN 6145-01-533-5559
NSN 7035-01-026-0117
NSN 6650-01-576-6512
NSN 6645-01-127-0039
NSN 6645-01-569-5729
NSN 6150-01-283-0425
NSN 5998-01-044-2035
NSN 5960-00-452-0452
NSN 5930-01-594-6106