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 6645-01-425-2330
NSN 5990-00-886-3685
NSN 6650-01-263-5412
NSN 5920-01-472-6923
NSN 6110-01-032-2899
NSN 5930-00-355-8879
NSN 5920-00-450-1978
NSN 6135-01-122-4448
NSN 6645-01-269-7640
NSN 6685-01-031-8827
NSN 5835-00-415-6421
NSN 5985-01-551-4144