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 6645-01-030-5288
NSN 5915-01-519-3287
NSN 5895-01-067-8771
NSN 7035-00-421-0468
NSN 5915-00-998-1350
NSN 5975-00-350-3122
NSN 6220-01-491-4571
NSN 5965-00-055-8013
NSN 6135-00-145-8884
NSN 5999-00-633-7592
NSN 6105-01-004-0456
NSN 6320-01-384-3850