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 6240-00-204-9355
NSN 5960-00-197-6282
NSN 6610-00-374-1563
NSN 5915-01-188-2364
NSN 2925-01-157-9204
NSN 6650-01-552-3267
NSN 5975-00-611-0421
NSN 4140-01-094-6836
NSN 6610-01-300-4537
NSN 6610-00-413-5016
NSN 7035-00-408-0269
NSN 5915-00-887-0188