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 4140-01-380-5371
NSN 5999-01-220-6078
NSN 5960-01-349-5525
NSN 5910-01-157-9687
NSN 5965-01-132-1427
NSN 5910-01-572-1427
NSN 6685-01-278-6951
NSN 5910-01-011-3079
NSN 6145-00-170-7947
NSN 6220-01-056-7306
NSN 5920-01-338-3489
NSN 5965-01-550-7505