A cylindrical item usually having a flanged aperture designed to hold and mount an instrument in a predetermined position. Excludes holder, watch.
NSN 6610-01-391-6781
NSN 5935-01-327-2759
NSN 6105-00-061-5038
NSN 5835-01-215-5961
NSN 6130-00-813-7453
NSN 6130-01-592-1787
NSN 5960-01-378-1729
NSN 5925-01-022-3830
NSN 6685-01-516-8701
NSN 6105-01-036-5117
NSN 5998-00-225-8522
NSN 5985-01-133-3290