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 6620-01-023-2938
NSN 5895-01-381-6574
NSN 6320-01-311-6576
NSN 4140-01-384-3998
NSN 6110-01-370-4984
NSN 5915-00-189-0773
NSN 5855-00-821-7512
NSN 6150-01-423-9729
NSN 5835-01-589-4735
NSN 6240-00-170-5302
NSN 6645-00-108-6479
NSN 6645-01-607-5999