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 4140-01-477-6030
NSN 6135-00-900-2139
NSN 6650-01-120-6231
NSN 6320-00-313-9114
NSN 5935-01-133-5590
NSN 5999-01-464-6976
NSN 6645-00-226-2270
NSN 5920-01-177-9200
NSN 2925-01-620-9673
NSN 6135-00-982-1882
NSN 5950-01-612-3762
NSN 5985-01-629-9184