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 5965-01-204-8505
NSN 5945-00-493-6882
NSN 5996-01-371-2958
NSN 2925-01-116-6838
NSN
NSN 6320-01-366-5157
NSN 6650-00-614-1711
NSN 2925-01-251-5725
NSN 6620-01-168-8450
NSN 5985-01-499-4751
NSN 6610-01-632-8561
NSN 5996-01-388-7618