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 4140-01-301-2245
NSN 4140-00-406-4369
NSN 6135-00-351-8606
NSN 5990-00-646-5487
NSN 5950-01-482-3047
NSN 6130-01-546-9882
NSN 5950-01-392-3255
NSN 5930-00-266-8175
NSN 6320-00-908-6841
NSN 5855-01-602-9653
NSN 6620-01-519-2628
NSN 6650-00-216-2013