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 5998-01-156-7634
NSN 5925-00-932-6947
NSN 5990-00-079-5406
NSN 5925-00-820-6415
NSN 4140-00-557-7001
NSN 6220-00-541-8515
NSN 5930-01-054-3868
NSN 5975-00-526-4701
NSN 5965-01-448-9585
NSN 6105-01-558-8908
NSN 5910-00-263-3630
NSN 6620-00-910-8317