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 5960-01-175-9880
NSN 5998-01-480-6995
NSN 5999-00-147-4439
NSN 5960-00-781-4084
NSN 5975-00-169-1401
NSN 6320-01-358-8069
NSN 6135-01-481-7127
NSN 6220-01-446-0227
NSN 5950-00-570-9310
NSN 5960-00-100-5278
NSN 4140-01-376-3104
NSN 6135-01-032-8887