An item having a rim, edge or collar for keeping it in place. it is designed specifically to be used on machine guns and the like.
Classification: Parts and accessories for military rifles of heading 9301
NSN 7035-01-588-5092
NSN 6240-00-299-9819
NSN 2925-01-478-8191
NSN 5915-01-109-6249
NSN 5945-01-447-3456
NSN 5905-01-122-9722
NSN 6650-00-751-9958
NSN 5945-01-290-3880
NSN 6240-00-821-5125
NSN 5945-00-940-9206
NSN 6150-01-528-5649
NSN 5975-01-459-9483