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 5998-01-228-3004
NSN 5950-01-655-2506
NSN 6150-01-040-8003
NSN 5965-01-147-5847
NSN 5950-00-387-5741
NSN 5960-00-533-1125
NSN 5920-01-270-2171
NSN 5905-01-499-1031
NSN 5998-01-036-2797
NSN 6620-01-595-7459
NSN 6220-00-299-5647
NSN 5915-01-503-9613