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 6685-01-198-3650
NSN 6320-01-064-0372
NSN 5915-01-152-1907
NSN 2925-00-035-5633
NSN 5835-00-466-8544
NSN 5930-00-138-7976
NSN 6110-01-449-1641
NSN 6240-01-589-7218
NSN 5930-01-180-5628
NSN 5975-01-461-3120
NSN 5835-00-770-2843
NSN 6320-01-230-8444