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 6220-01-307-1471
NSN 5855-01-258-6180
NSN 5895-00-862-2800
NSN 5935-01-533-0991
NSN 6130-01-571-7932
NSN 6610-01-202-7404
NSN 5920-01-278-0600
NSN 5905-00-548-4733
NSN 2925-01-127-0167
NSN 5930-01-165-1918
NSN 6240-01-629-6174
NSN 5990-01-085-2068