A cylindrical item usually having a flanged aperture designed to hold and mount an instrument in a predetermined position. Excludes holder, watch.
NSN 5930-01-613-5221
NSN 6130-00-025-9448
NSN 5915-01-567-8298
NSN 5945-01-467-2242
NSN 6105-00-219-2925
NSN 5945-01-148-6047
NSN 5835-01-023-8733
NSN 5935-00-932-3835
NSN 5915-01-627-8787
NSN 5975-01-106-3595
NSN 5999-00-484-8087
NSN 5855-01-519-3814