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 4140-00-365-2531
NSN 5835-01-385-0579
NSN 6110-01-359-6618
NSN 2925-00-221-8529
NSN 7035-01-496-3563
NSN 5910-00-494-8765
NSN 5950-00-958-4409
NSN 6220-01-256-4555
NSN 5965-00-156-8562
NSN 6685-01-056-5283
NSN 6645-01-435-4073
NSN 6645-01-360-0293