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 4140-01-301-4012
NSN 4140-01-325-0021
NSN 4140-00-399-5994
NSN 5950-00-163-7202
NSN 5985-00-246-3875
NSN 5960-00-584-4553
NSN 6240-01-070-0759
NSN 5915-00-572-7761
NSN 6110-01-157-9341
NSN 5925-01-551-2038
NSN 5960-01-464-9605
NSN 5930-01-509-2630