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 6645-01-450-5175
NSN 6105-01-128-0835
NSN 4140-00-133-1780
NSN 6145-00-095-2492
NSN 6130-00-054-6391
NSN 5990-01-386-5561
NSN 5920-01-508-4243
NSN 6645-01-380-6111
NSN 5999-00-581-7139
NSN 5895-00-637-2658
NSN 5935-01-209-1852
NSN 5935-01-466-1121