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 6145-00-921-7990
NSN 5996-01-219-3778
NSN 6145-01-214-2984
NSN 6650-01-449-2334
NSN 5965-00-469-5009
NSN 6645-00-216-6126
NSN 6130-01-378-6729
NSN 5950-00-847-2303
NSN 5905-01-414-8606
NSN 4140-00-903-5799
NSN 5990-01-340-3575
NSN 6240-01-642-3740