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 5985-00-633-9963
NSN 5950-01-535-1984
NSN 6620-01-642-7219
NSN 4140-01-344-2674
NSN 6220-01-003-9126
NSN 5905-00-542-2017
NSN 6620-01-530-1201
NSN 5895-01-184-3654
NSN 5935-00-581-7719
NSN 5905-01-465-2288
NSN 2925-01-520-4194
NSN 6240-01-312-9158