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.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 6220-01-339-7557
NSN 5945-00-007-3933
NSN 6135-01-068-0119
NSN 2925-01-597-7531
NSN 4140-01-562-8930
NSN 7035-01-121-5905
NSN 5990-01-583-2870
NSN 5990-01-368-9117
NSN 4140-01-442-7308
NSN 6610-01-205-8340
NSN 5935-01-071-3107
NSN 5935-01-158-9890