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 4140-00-189-0235
NSN 5975-00-433-5983
NSN 6110-01-215-2384
NSN 5835-01-532-9373
NSN 5975-00-175-6696
NSN 7035-00-500-7839
NSN 5996-01-491-8331
NSN 5985-01-600-0160
NSN 5990-00-985-1334
NSN 5925-01-634-0664
NSN 5950-01-588-7264
NSN 6240-01-447-3199