A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 6150-01-256-6971
NSN 6645-00-079-1430
NSN 5855-01-439-0448
NSN 6105-01-446-4233
NSN 5920-01-457-1251
NSN 5905-01-026-5091
NSN 4140-01-496-4109
NSN 5999-01-169-2416
NSN 6110-00-235-6395
NSN 6240-00-419-4301
NSN 6645-01-222-5468
NSN 6620-01-367-0844