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 5930-01-487-5429
NSN 5925-01-567-2996
NSN 6620-01-471-4360
NSN 5915-00-265-0967
NSN 6620-01-258-8980
NSN 5855-00-494-9581
NSN 6240-01-132-9923
NSN 6320-01-227-2648
NSN 5915-00-435-0371
NSN 5915-01-040-0735
NSN 5960-00-724-5787
NSN 6645-00-371-1861