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 4140-01-348-9029
NSN 5915-01-141-6726
NSN 5960-01-065-9684
NSN 6150-01-048-4207
NSN 5975-01-451-2238
NSN 5960-00-607-0395
NSN 5998-00-189-1570
NSN 6685-01-561-1881
NSN 6650-01-216-2707
NSN 5855-00-298-0261
NSN 5975-00-482-4663
NSN 6220-01-256-6400