A cylindrical item usually having a flanged aperture designed to hold and mount an instrument in a predetermined position. Excludes holder, watch.
NSN 6150-00-451-9869
NSN 5950-00-583-4279
NSN 5935-01-137-7856
NSN 6110-00-257-5199
NSN 5985-00-835-0391
NSN 6240-00-015-3725
NSN 6145-00-846-7678
NSN 5985-00-920-5702
NSN 6105-01-448-0936
NSN 2925-01-067-4446
NSN 5920-01-383-0999
NSN 6105-00-440-1992