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 6145-01-452-4437
NSN 6620-01-514-0887
NSN 5950-01-319-8428
NSN 5965-01-399-8454
NSN 5835-01-143-9143
NSN 5990-00-719-4947
NSN 5950-01-406-2849
NSN 5920-01-157-9471
NSN 5965-01-186-2051
NSN 5945-01-529-1182
NSN 6685-00-688-5154
NSN 5930-00-960-7223