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 4140-00-176-4761
NSN 6610-00-240-5437
NSN 5905-00-795-2933
NSN 7035-01-386-5722
NSN 5999-00-257-9610
NSN 6145-01-355-3065
NSN 5935-01-339-0366
NSN 6650-00-190-5158
NSN 5915-01-489-6185
NSN 5990-00-521-2980
NSN 5910-01-462-5079
NSN 6150-01-574-0236