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 5925-01-139-9972
NSN 5975-01-169-8211
NSN 5855-01-573-8328
NSN 5935-00-978-9716
NSN 6620-01-062-1662
NSN 5925-00-529-0441
NSN 6130-01-239-8106
NSN 5990-01-278-9985
NSN 6145-00-290-3859
NSN 6130-00-015-4111
NSN 5835-01-536-6241
NSN 6105-01-331-6868