A cylindrical item usually having a flanged aperture designed to hold and mount an instrument in a predetermined position. Excludes holder, watch.
NSN 5835-01-061-9434
NSN 5960-01-285-9896
NSN 6685-00-265-7530
NSN 6145-01-641-5055
NSN 6620-01-133-4193
NSN 6135-00-553-7995
NSN 2925-01-556-0333
NSN 5920-00-250-4731
NSN 6240-00-843-0698
NSN 5985-00-101-0698
NSN 5998-01-100-0806
NSN 5835-01-250-2939