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 5965-00-831-2134
NSN 5999-00-100-5761
NSN 6645-01-113-8979
NSN 6150-01-224-6391
NSN
NSN 2925-01-297-9759
NSN 6650-01-395-5991
NSN 2925-01-168-6253
NSN 5945-01-036-0651
NSN 5950-01-111-5483
NSN 5999-01-621-7862
NSN 5960-01-200-2586