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 4140-00-850-8133
NSN 5965-00-156-8562
NSN 5915-01-248-1909
NSN 6645-00-838-6939
NSN 6240-01-359-2721
NSN 5990-01-164-0220
NSN 2925-01-381-5307
NSN 6220-01-487-3904
NSN 5950-01-409-2785
NSN 5855-00-058-1293
NSN 5950-00-853-4080
NSN 6240-00-850-4280