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 5915-01-439-0228
NSN 5965-01-446-1939
NSN 6150-00-954-1971
NSN 6320-01-357-3222
NSN 5935-01-655-1876
NSN 6105-00-116-7843
NSN 5999-01-050-7854
NSN 4140-01-394-1306
NSN 6650-01-555-8349
NSN
NSN 6685-00-366-6997
NSN 6645-01-438-3069