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 5975-01-607-4225
NSN 5996-00-989-7764
NSN 6130-00-799-3806
NSN 5990-00-968-7685
NSN 6650-01-619-9986
NSN 4140-01-445-5945
NSN 5985-01-278-3476
NSN 2925-01-443-1748
NSN 6645-01-475-8283
NSN 5990-01-150-7443
NSN 5905-00-188-7356
NSN 5910-00-261-6741