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 6645-01-645-2767
NSN 5996-00-870-0801
NSN 6320-01-291-4870
NSN 6620-01-425-2517
NSN 6130-01-086-1353
NSN 6240-01-236-0781
NSN 5920-00-914-2707
NSN 6240-00-170-5302
NSN 5925-00-212-4901
NSN 5998-01-161-3177
NSN 5996-00-222-6049
NSN 5915-00-286-3272