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 5998-00-130-0787
NSN 5965-00-396-3411
NSN 6130-01-345-1727
NSN 6105-01-106-4649
NSN 5990-00-716-7796
NSN 5996-01-485-0305
NSN 6610-00-755-1740
NSN 6220-00-715-3125
NSN 6610-01-159-0438
NSN 6620-01-160-3475
NSN 6320-01-352-5653
NSN 5935-01-646-1280