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 6620-01-451-8989
NSN 5999-00-998-6922
NSN 5930-01-425-1792
NSN 6135-00-519-1325
NSN 5960-00-034-7925
NSN 6620-01-309-1287
NSN 5985-01-418-3313
NSN 5975-01-254-7000
NSN 6685-01-394-6874
NSN 5996-01-295-2004
NSN 6150-01-100-2455
NSN 5855-01-225-3472