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 6620-00-080-2847
NSN 6620-01-388-8955
NSN 6135-01-167-7604
NSN 6645-01-477-5316
NSN 5975-01-475-7901
NSN 7035-01-022-5763
NSN 6650-01-426-4253
NSN 6320-00-422-9006
NSN 5999-01-513-8522
NSN 5935-01-525-8102
NSN 5915-01-552-8989
NSN 5998-00-140-8364