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 4140-01-107-5755
NSN 5930-01-492-7272
NSN 6610-00-799-6971
NSN 6135-00-583-3966
NSN 4140-00-781-5700
NSN 6150-01-421-6870
NSN 5950-01-093-6958
NSN 5998-01-511-0434
NSN 6620-01-598-2271
NSN 6320-01-056-1164
NSN 2925-00-422-5159
NSN 6150-01-492-0296