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 4140-01-012-2460
NSN 6685-00-490-2737
NSN 6610-01-023-6073
NSN 6150-01-422-4208
NSN 6645-00-244-0359
NSN 5925-01-465-0601
NSN 5915-01-470-0057
NSN 6145-01-036-0717
NSN 5985-01-495-0366
NSN 6145-01-134-8815
NSN 5985-01-254-2976
NSN 6620-01-419-8014