A cylindrical item usually having a flanged aperture designed to hold and mount an instrument in a predetermined position. Excludes holder, watch.
NSN 6685-00-065-8900
NSN 5925-00-286-8502
NSN 6650-01-227-9634
NSN 6240-00-099-8606
NSN 5990-01-578-5382
NSN 5999-01-439-1357
NSN 6150-01-634-0575
NSN 5960-01-602-6009
NSN 7035-00-063-5245
NSN 6220-01-063-8238
NSN 6685-00-079-6427
NSN 6320-01-118-0553