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 5925-00-484-3138
NSN 5960-01-287-4187
NSN 5910-00-231-3958
NSN 5990-01-541-5632
NSN 5855-00-197-6387
NSN 7035-01-597-7179
NSN 6105-01-379-0603
NSN 6620-01-454-8926
NSN 4140-01-248-2606
NSN 5855-01-236-9645
NSN 5999-01-640-6742
NSN 5965-00-807-2491