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 6240-01-179-4547
NSN 6320-01-449-1014
NSN 6145-01-493-6364
NSN 6240-01-139-3377
NSN 5905-01-630-2526
NSN 6135-01-526-0144
NSN 5985-01-363-5339
NSN 4140-01-584-9602
NSN 5998-00-100-3943
NSN 4140-01-423-1647
NSN 6105-01-167-9229
NSN 6620-01-149-2246