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 4140-01-428-4413
NSN 5905-01-185-2933
NSN 5975-01-003-1561
NSN 6105-00-804-2683
NSN 5950-00-958-7901
NSN 6650-01-591-5057
NSN 6220-00-541-8515
NSN 5998-00-311-7267
NSN 6320-01-631-7828
NSN 5985-01-047-7090
NSN 5925-01-281-8076
NSN 5910-01-194-9782