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 6320-01-521-1764
NSN 7035-01-132-7209
NSN 6240-01-144-5898
NSN 4140-01-378-8390
NSN 5950-01-565-4682
NSN 6240-01-117-7150
NSN 7035-01-322-8180
NSN 6620-00-248-6950
NSN 5915-01-605-2859
NSN 5975-01-323-4875
NSN 5915-01-591-0416
NSN 6130-00-435-0365