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 5920-00-933-1767
NSN 5990-00-258-0228
NSN 5920-00-196-3631
NSN 5965-00-191-6788
NSN 5915-00-375-5000
NSN 6220-01-195-1793
NSN 6685-01-303-6512
NSN 6645-01-395-2989
NSN 6645-01-536-7933
NSN 2925-00-101-7972
NSN 5920-00-062-4008
NSN 5925-01-659-3045