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 5975-00-338-6242
NSN 5910-01-368-3865
NSN 5975-01-305-3104
NSN 5935-01-428-9982
NSN 4140-01-641-7869
NSN 5920-01-223-6214
NSN 6610-00-194-0676
NSN 5905-01-150-6351
NSN 6620-01-467-2111
NSN 5910-00-122-5460
NSN 6105-01-436-4044
NSN 6135-00-122-2420