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 5920-01-535-3840
NSN 5990-00-914-4261
NSN 4140-00-902-7744
NSN 5999-01-325-3581
NSN 5925-00-529-0441
NSN 5925-01-586-1864
NSN 5950-00-367-2705
NSN 6105-01-110-7414
NSN 6650-01-312-0778
NSN 5999-01-283-7115
NSN 5999-00-203-5573
NSN 6220-00-866-1346