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 5999-01-474-5011
NSN 6645-01-123-7563
NSN 6105-01-123-1937
NSN 4140-01-068-3500
NSN 4140-01-556-3351
NSN 5925-00-964-3983
NSN 6240-01-013-8895
NSN 6135-01-505-1293
NSN 6645-01-254-0490
NSN 5990-01-101-7602
NSN 6320-01-157-4400
NSN 5990-01-188-7309