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 5920-00-661-0840
NSN 5935-01-310-8616
NSN 6240-01-006-7279
NSN 6220-01-397-0435
NSN 6650-00-155-8431
NSN 5935-01-230-5479
NSN 6150-00-583-9878
NSN 5925-01-347-7729
NSN 5999-00-677-6027
NSN 5895-01-129-3834
NSN 5925-01-038-6177
NSN 6220-01-240-8874