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 6685-01-509-4699
NSN 6220-00-361-8338
NSN 5998-01-339-1716
NSN 5960-01-119-4609
NSN 4140-00-922-8875
NSN 6320-00-845-3261
NSN 5996-01-197-8772
NSN 5990-01-204-7576
NSN 5975-01-624-9649
NSN 6105-00-820-5294
NSN 5990-01-259-7138
NSN 6110-01-537-4693