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 5835-00-264-0946
NSN 5985-01-499-1583
NSN 5855-00-361-0167
NSN 6220-01-382-0920
NSN 5835-01-340-6955
NSN 5895-00-041-1961
NSN 5960-01-130-6413
NSN 4140-01-654-6292
NSN 5965-01-334-3980
NSN 7035-01-406-5232
NSN 5915-01-486-6058
NSN 5990-01-376-0405