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 5945-00-905-3997
NSN 5920-00-021-3697
NSN 5990-01-143-2518
NSN 5905-00-024-9601
NSN 5998-01-088-7262
NSN 6650-00-264-0664
NSN
NSN 5905-01-542-4378
NSN 6685-01-379-2983
NSN 5999-01-618-7626
NSN 5910-00-306-0240
NSN 5996-00-760-2726