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 5998-01-159-1491
NSN 5990-01-459-9533
NSN 5960-00-010-5300
NSN 5930-00-199-6393
NSN 6145-01-041-6562
NSN 6620-01-224-1617
NSN 5990-01-027-1869
NSN 2925-00-737-6476
NSN 5855-00-494-9581
NSN 6220-00-548-1999
NSN 5965-01-126-7500
NSN 4140-01-158-1401