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 6320-01-296-3181
NSN 5930-01-191-9516
NSN 5910-01-457-4800
NSN 6130-01-622-2059
NSN 4140-01-460-0440
NSN 4140-01-265-3736
NSN 6650-01-314-7654
NSN 5945-00-520-9771
NSN 5935-00-901-4356
NSN 5855-01-508-6916
NSN 6320-01-216-1678
NSN 6650-01-568-5750