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 6620-00-905-6590
NSN 6620-01-185-9134
NSN 6220-01-042-9240
NSN 5999-01-087-6034
NSN 6240-01-054-2289
NSN 6150-00-053-0795
NSN 6650-01-408-2633
NSN 5950-01-227-2466
NSN 6220-00-361-0631
NSN 6320-01-466-4175
NSN 4140-01-551-1125
NSN 5930-01-400-6126