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 4140-01-174-6634
NSN 6135-00-891-4944
NSN 5998-00-239-6929
NSN 5945-01-400-5928
NSN 5930-01-592-5536
NSN 5996-01-658-0704
NSN 5935-01-371-1759
NSN 6620-01-094-6549
NSN 6105-00-610-7788
NSN 6685-00-120-1009
NSN 6320-01-389-8128
NSN 5950-01-443-4029