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 5990-01-578-5382
NSN 6645-01-440-7180
NSN 5855-01-645-0531
NSN 6645-00-580-9605
NSN 6645-00-456-7653
NSN 6645-01-124-6277
NSN 6105-01-262-2625
NSN 6650-00-950-4107
NSN
NSN 6135-00-299-6918
NSN 5925-01-337-6380
NSN 6220-01-171-4738