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 5855-01-616-4391
NSN 2925-01-381-5307
NSN 5996-01-030-7942
NSN 2925-00-964-7128
NSN 6620-01-149-9192
NSN 6645-01-161-8047
NSN 5915-01-555-0034
NSN 5905-00-170-1832
NSN 5835-01-524-4731
NSN 5985-01-048-6826
NSN 5925-01-387-9630
NSN 6220-01-640-9546