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 4140-01-436-1141
NSN 6150-01-539-6069
NSN 6320-01-495-4170
NSN 6150-00-827-4861
NSN 6240-00-753-7586
NSN 5930-01-136-4046
NSN 5975-00-984-6582
NSN 5990-01-033-1423
NSN 6150-01-557-4820
NSN 6135-01-465-2681
NSN 6650-00-259-2605
NSN 5915-01-268-4208