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 5975-01-495-9131
NSN 5835-01-345-6697
NSN 6620-01-591-4031
NSN 5965-00-263-6436
NSN 7035-00-631-3782
NSN 5998-01-612-8463
NSN 6130-00-662-8557
NSN 6220-01-599-1993
NSN 5999-00-467-9305
NSN 6645-01-283-5387
NSN 6320-00-228-5678
NSN 5915-00-455-7703