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 6220-01-431-6732
NSN 6620-01-030-6495
NSN 6135-01-598-9890
NSN 5935-00-266-8506
NSN 5999-00-168-8968
NSN 6150-01-270-1551
NSN 2925-00-408-9829
NSN 6320-00-593-0379
NSN 5920-01-360-2119
NSN 5960-00-827-8407
NSN 6150-01-352-8051
NSN 5935-00-160-9522