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 5998-01-011-2992
NSN 5965-01-339-0059
NSN 5935-00-539-2467
NSN 6620-01-161-8039
NSN 6145-01-458-3619
NSN 6150-01-406-1173
NSN 5945-00-031-1494
NSN 5998-00-210-0309
NSN 2925-01-043-9786
NSN 6220-01-230-0872
NSN 6220-01-047-7325
NSN 5835-00-924-4268