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 6240-01-359-2721
NSN 5996-01-379-1409
NSN 6610-00-100-1195
NSN 5920-01-130-5893
NSN 5915-01-279-0332
NSN 6620-00-886-4814
NSN 6320-01-498-4954
NSN 5996-01-408-8055
NSN 6130-01-514-0108
NSN 5950-00-240-8197
NSN 6620-01-247-7655
NSN 5960-00-476-7964