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 4140-01-157-4328
NSN 6220-01-444-3972
NSN 6145-01-313-8678
NSN 2925-00-707-6770
NSN 5950-01-108-9491
NSN 5935-01-293-1652
NSN 5920-01-196-0933
NSN 6320-01-487-0336
NSN 6220-00-111-4051
NSN 6685-00-448-1235
NSN 6320-01-462-3555
NSN 5999-00-517-9393