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 4140-01-033-4953
NSN 4140-01-412-0403
NSN 5990-00-165-9195
NSN 5905-01-211-2663
NSN 5935-00-316-9410
NSN 6240-00-594-7138
NSN 5965-01-451-2481
NSN 6320-01-433-3953
NSN 5920-00-678-1979
NSN 6110-00-557-8631
NSN 6620-00-937-5931
NSN 5835-01-359-2575