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 5930-00-190-5195
NSN 5920-00-341-6340
NSN 6150-01-136-8601
NSN 5975-01-453-0506
NSN 5945-00-080-1364
NSN 6105-00-551-3747
NSN 5950-01-430-3338
NSN 4140-01-508-1518
NSN 5945-01-437-7451
NSN 5965-01-208-6903
NSN 5945-01-349-7204
NSN 5925-01-189-2355