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 6620-01-187-4130
NSN 6220-01-568-2671
NSN 5920-01-092-4233
NSN 5996-01-441-1594
NSN 6145-00-197-9010
NSN 5950-01-188-8307
NSN 5930-01-384-3848
NSN 5950-01-444-0112
NSN 5910-00-674-7619
NSN 5990-00-469-7654
NSN 6130-00-450-4970
NSN 6610-00-921-1066