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 5930-01-252-8687
NSN 5930-01-113-8633
NSN 5999-00-606-6117
NSN 5920-01-295-3267
NSN 5915-01-660-2967
NSN 5985-01-186-5577
NSN 5945-00-580-0873
NSN 5945-01-456-3934
NSN 6620-01-476-0498
NSN 6240-01-102-4861
NSN 5990-01-268-2236
NSN 6220-01-032-7370