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 6620-00-400-4237
NSN 6220-00-354-8287
NSN 4140-00-640-6811
NSN 5855-01-480-3194
NSN 2925-01-542-5671
NSN 5905-01-375-7627
NSN 5990-01-599-4721
NSN 6620-00-155-2608
NSN 6240-01-529-6624
NSN 6110-01-590-6903
NSN 5950-01-025-5826
NSN 6610-01-412-0058