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 6320-01-019-1028
NSN 6645-01-029-4525
NSN 5895-00-420-7042
NSN 5998-00-824-4143
NSN 4140-01-288-2947
NSN 5910-01-157-3061
NSN 6610-01-365-7796
NSN 5996-01-428-9436
NSN 5910-01-137-1608
NSN 5998-00-389-7001
NSN 6135-01-210-8715
NSN 6130-01-310-7447