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 5905-00-389-6252
NSN 5935-01-448-0049
NSN 5996-01-535-0963
NSN 5855-01-591-0273
NSN 6130-00-547-8050
NSN 4140-01-462-2487
NSN 5998-01-542-8302
NSN 6130-01-431-3497
NSN 5990-01-620-6736
NSN 6645-00-107-8190
NSN 5985-00-692-1550
NSN 6135-01-512-8740