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 6220-00-558-2147
NSN 6220-00-155-4524
NSN 6645-01-522-0154
NSN 6645-01-058-3817
NSN 6650-01-437-5214
NSN 6130-00-348-1410
NSN 5925-01-531-4577
NSN 5990-00-529-8767
NSN 6105-01-609-1144
NSN 5855-00-951-6483
NSN 4140-00-557-7001
NSN 6240-00-140-4184