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 6240-01-369-0069
NSN 4140-00-205-6491
NSN 4140-01-384-2858
NSN 5975-01-415-0918
NSN 6110-01-183-3767
NSN 6320-00-593-0379
NSN 5915-01-517-0374
NSN 7035-01-062-1692
NSN 6620-01-019-6952
NSN 5975-01-657-6413
NSN 5910-01-235-4020
NSN 5950-00-917-2520