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 5920-01-212-9504
NSN 5925-01-629-3966
NSN 4140-00-821-9836
NSN 6650-01-250-1244
NSN 5935-01-484-1460
NSN 7035-01-383-6549
NSN 5950-01-240-4218
NSN 5915-01-517-0374
NSN 5960-00-147-9861
NSN 5950-00-465-1266
NSN 6240-01-441-3606
NSN 6135-01-532-7951