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 6685-01-243-3617
NSN 5965-01-600-0566
NSN 2925-00-420-8151
NSN 2925-01-657-9741
NSN 4140-01-151-4089
NSN 5990-00-454-6250
NSN 5965-01-316-4429
NSN 6320-00-646-3311
NSN 6135-01-210-8715
NSN 5999-01-461-8731
NSN 6240-01-212-9756
NSN 5950-01-256-9704