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 5960-01-388-1988
NSN 6320-01-541-7585
NSN 6130-01-152-4161
NSN 5950-00-911-9549
NSN 6620-01-578-7561
NSN 6240-01-124-0037
NSN 5925-00-575-2986
NSN 5835-00-953-9224
NSN 6685-01-541-4932
NSN 6240-01-499-4267
NSN 6150-01-482-1329
NSN 4140-00-957-5285