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 6220-01-370-2547
NSN 6610-01-281-7536
NSN 2925-01-556-0333
NSN 5990-01-485-0260
NSN 6645-01-461-0895
NSN 5915-01-075-0376
NSN 5935-01-237-3953
NSN 5998-00-246-4422
NSN 5985-01-648-2503
NSN 6685-01-200-7617
NSN 5915-01-160-0244
NSN 6240-01-575-4089