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 5975-01-534-7598
NSN 6105-01-605-1447
NSN 6685-01-621-0838
NSN 5965-01-545-8562
NSN 5855-01-384-4914
NSN 5910-00-155-4763
NSN 6220-01-566-8275
NSN 5960-01-299-1765
NSN 6320-01-141-3791
NSN 2925-01-209-9245
NSN 5930-00-188-7057
NSN 6105-00-959-5468