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 4140-01-056-1203
NSN 5920-01-200-6655
NSN 5905-00-302-1143
NSN 5990-00-179-2576
NSN 5895-00-001-9134
NSN 6130-01-554-7272
NSN 5975-01-503-3412
NSN 5990-00-813-9092
NSN 4140-00-575-6586
NSN 5965-00-627-8382
NSN 6220-01-202-8855
NSN 6620-01-446-4797