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 4140-01-419-4949
NSN 5950-01-382-6989
NSN 2925-01-131-8761
NSN 2925-00-728-4558
NSN 5905-01-648-7832
NSN 5835-00-106-2120
NSN 5855-01-047-9267
NSN 4140-01-397-8445
NSN 6685-01-322-8516
NSN 4140-00-242-0902
NSN 5975-01-268-5703
NSN 6145-00-780-5509