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 5990-01-143-2518
NSN 6145-01-440-4445
NSN 6650-01-254-2744
NSN 5915-01-555-0034
NSN 6320-01-209-0952
NSN 6135-01-511-1975
NSN 5945-00-262-6042
NSN 5960-01-123-3313
NSN 5996-01-491-0178
NSN 5996-00-636-4849
NSN 6650-00-008-3187
NSN 5915-01-131-3656