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 4140-01-185-3741
NSN 6645-01-510-1984
NSN 5905-00-203-5400
NSN 5950-01-050-1224
NSN 6105-01-593-2341
NSN 5905-01-590-4863
NSN 5965-01-269-4338
NSN 5920-00-789-3096
NSN 5930-01-538-1706
NSN 5985-01-353-3167
NSN 6220-00-151-4436
NSN 5985-01-570-5043