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 4140-01-438-7053
NSN 5925-01-429-4554
NSN 5990-00-730-6269
NSN 5930-00-857-4442
NSN 5960-01-439-9517
NSN 6650-01-115-2766
NSN 6135-00-062-5080
NSN 6150-01-032-4556
NSN 5930-01-512-5055
NSN 6320-01-412-2973
NSN 7035-01-068-3300
NSN 5998-00-121-2227