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 4140-01-420-6817
NSN 5835-01-535-8470
NSN 5996-00-756-2744
NSN 6150-00-099-6919
NSN 6650-01-197-4585
NSN 5985-00-424-9005
NSN 5905-01-115-8189
NSN 6685-01-260-9156
NSN 6130-00-995-9095
NSN 6320-00-194-4252
NSN 5975-01-165-4126
NSN 5990-01-378-7349