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 5990-01-032-5160
NSN 5996-01-068-4469
NSN 5950-01-234-0986
NSN 4140-01-382-8506
NSN 5930-00-194-9139
NSN 5965-01-454-8076
NSN 6320-00-098-2858
NSN 6645-00-677-4354
NSN 6240-01-476-7357
NSN 5960-00-847-1581
NSN 6620-01-078-6372
NSN 5996-00-075-0980