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 5910-00-753-7581
NSN 6610-01-602-7932
NSN 6130-01-077-0936
NSN 4140-01-281-8832
NSN 4140-01-230-3276
NSN 6620-01-111-9064
NSN 5998-01-540-4767
NSN 5920-00-276-8657
NSN 5895-01-066-8073
NSN 4140-01-218-6674
NSN 6620-00-831-2737
NSN 6105-01-218-6205