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 5990-01-150-7443
NSN 5985-01-144-6978
NSN 2925-00-964-7128
NSN 5920-01-512-2854
NSN 6110-01-259-0789
NSN 5999-00-360-1356
NSN 5835-00-433-0170
NSN 6240-01-084-3952
NSN 6150-01-103-8028
NSN 5975-00-674-7974
NSN 6110-01-409-1442
NSN 6150-01-351-5455