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 5998-00-450-2856
NSN 5915-00-828-1619
NSN 6105-00-527-7702
NSN 6135-00-998-5884
NSN 6610-00-350-1091
NSN 6145-01-484-2495
NSN 6105-01-181-5963
NSN 6220-01-632-8217
NSN 6150-01-489-5636
NSN 5905-01-387-6645
NSN 6150-01-634-0575
NSN 6145-01-027-2055