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 4140-01-263-2180
NSN 6135-01-017-3001
NSN 6135-00-321-6707
NSN 6320-01-426-1324
NSN 6135-01-604-8739
NSN 7035-00-104-7613
NSN 5925-01-215-5389
NSN 5990-01-201-1698
NSN 4140-01-604-9981
NSN 5999-01-381-5510
NSN 5920-01-066-6926
NSN 5999-00-136-8446