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.
NSN 6220-01-069-3685
NSN 4140-01-291-8311
NSN 5975-00-514-3340
NSN 5945-01-012-9568
NSN 6150-00-187-3535
NSN 5915-01-100-1180
NSN 5990-01-493-4039
NSN 5950-00-880-8334
NSN 5895-01-011-3801
NSN 6320-01-612-7035
NSN 6650-01-381-7296
NSN 5835-00-537-7780