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 5920-01-597-6730
NSN 5950-01-660-0241
NSN 5999-01-545-6834
NSN 5905-01-399-8441
NSN 6685-01-422-9927
NSN 5990-01-179-5625
NSN 5960-01-426-4242
NSN 2925-01-068-3844
NSN 5915-00-791-2657
NSN 5960-01-580-5218
NSN 6620-00-010-7596
NSN 6145-01-352-5925