A cylindrical item usually having a flanged aperture designed to hold and mount an instrument in a predetermined position. Excludes holder, watch.
NSN 6645-01-392-4788
NSN 6110-01-183-6656
NSN 6685-01-125-5282
NSN 6685-01-465-4601
NSN 5905-00-283-2637
NSN 6610-01-326-8660
NSN 5835-01-143-9143
NSN 6220-01-146-9351
NSN 6650-01-063-6138
NSN 7035-01-145-5059
NSN 5960-01-495-0859
NSN 6610-00-530-3955