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 4140-01-300-4151
NSN 5985-00-636-8689
NSN 4140-01-221-4050
NSN 6645-01-523-3243
NSN 6240-00-331-8732
NSN 6110-01-239-1786
NSN 6135-00-112-8637
NSN 5905-01-590-7690
NSN 6130-01-466-0637
NSN 6610-00-071-0057
NSN 6320-00-402-6493
NSN 5996-01-426-8531