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 6240-01-502-4939
NSN 6150-01-634-0575
NSN 5960-01-385-4333
NSN 6105-00-477-6880
NSN 5855-00-125-0780
NSN 5998-01-537-9607
NSN 5930-01-198-2069
NSN 6610-00-267-9944
NSN 6220-00-402-7562
NSN 5925-01-134-8470
NSN 5935-01-382-1354
NSN 5996-01-566-0344