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 5965-01-045-0247
NSN 6130-00-621-7997
NSN 5950-01-660-3827
NSN 6620-01-117-0834
NSN 5950-01-634-0677
NSN 5915-01-292-2617
NSN 5905-00-728-5799
NSN 6620-01-057-2580
NSN 5950-01-124-9982
NSN 6645-01-626-6643
NSN 5985-01-188-7090
NSN 5835-01-173-8003