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 5930-01-294-1461
NSN 5930-01-328-3004
NSN 6620-00-483-1961
NSN 6105-00-565-9450
NSN 6105-01-204-2920
NSN 6620-01-512-3032
NSN 5930-00-299-3428
NSN 6220-01-226-1776
NSN 5925-00-035-8469
NSN 5998-01-463-0492
NSN 6240-00-760-3713
NSN 6320-00-646-3311