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 6620-00-323-0031
NSN 5975-01-294-9551
NSN 5990-00-816-1580
NSN 5905-01-516-2679
NSN 5985-01-557-8289
NSN 5855-01-344-8688
NSN 2925-01-399-2765
NSN 6320-01-039-5891
NSN 5905-01-608-4772
NSN 5998-01-048-4467
NSN 5999-00-262-0828
NSN 5999-01-199-7776