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 5920-01-143-4657
NSN 5925-00-085-1737
NSN 5985-01-494-9681
NSN 5965-01-241-0553
NSN 6650-01-471-2171
NSN 6110-01-584-8808
NSN 5855-01-063-1692
NSN 6610-00-446-2880
NSN 6130-01-527-7916
NSN 5999-00-208-8163
NSN 6645-00-814-4558
NSN 6220-00-103-3419