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 4140-01-229-1873
NSN 6135-00-235-1938
NSN 2925-00-051-1467
NSN 5965-00-529-0602
NSN 5985-00-122-2197
NSN 5999-01-580-5376
NSN 5930-01-417-7723
NSN 6620-01-315-1857
NSN 5945-01-041-5545
NSN 5915-00-493-0494
NSN 6240-01-206-4809
NSN 6135-01-459-6424