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 5905-00-631-8746
NSN 5930-01-429-8988
NSN 5965-01-286-3812
NSN 6320-01-503-7180
NSN 5920-01-367-1323
NSN 6645-01-163-9930
NSN 4140-01-157-8882
NSN 6620-00-932-4306
NSN 5905-01-400-1986
NSN 5905-01-607-6163
NSN 5999-00-945-7239
NSN 6110-00-521-8932