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 4140-00-200-0970
NSN 6150-01-502-8837
NSN 5975-01-514-6820
NSN 5945-01-311-4650
NSN 5925-01-361-4275
NSN 6650-00-842-5463
NSN 5935-01-385-3502
NSN 6645-00-489-8575
NSN 5990-00-181-2220
NSN 5935-00-900-7677
NSN 5905-01-410-7780
NSN 6685-00-145-8314