A cylindrical item usually having a flanged aperture designed to hold and mount an instrument in a predetermined position. Excludes holder, watch.
NSN 5965-00-862-3295
NSN 5855-00-939-2379
NSN 6610-01-200-6861
NSN 6105-00-878-7750
NSN 5965-01-535-0718
NSN 5935-01-269-5182
NSN 6130-01-576-8498
NSN 6685-00-227-0212
NSN 5910-01-456-6601
NSN 6320-00-004-9158
NSN 6135-00-223-9563
NSN 6240-01-102-1555