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 5895-00-868-6411
NSN 5920-00-753-5113
NSN 5996-01-080-4586
NSN 6645-00-296-8310
NSN 6220-01-217-6627
NSN 5990-01-498-0641
NSN 2925-01-295-9337
NSN 5996-01-469-2359
NSN 6150-01-564-1362
NSN 5915-01-512-1327
NSN 5920-00-853-8266
NSN 5960-00-762-3161