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 6240-01-012-2706
NSN 5998-01-035-5058
NSN 6110-00-583-9821
NSN 6620-01-361-8685
NSN 6610-00-980-0518
NSN 5965-01-388-5296
NSN 5895-00-139-6016
NSN 5945-01-201-7769
NSN 6105-00-320-9679
NSN 6650-00-707-1417
NSN 6650-01-612-8234
NSN 5999-00-528-2263