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 6220-01-360-0691
NSN 5996-01-491-0178
NSN 5920-01-484-5415
NSN 6685-01-031-6701
NSN 5996-01-434-3691
NSN 6620-00-477-0654
NSN 6220-01-622-3615
NSN 7035-00-320-5644
NSN 5855-00-149-0766
NSN 2925-01-550-0177
NSN 6620-00-536-5028
NSN 6645-01-554-5881