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 5920-01-431-7617
NSN 4140-01-538-2145
NSN 5905-01-503-1166
NSN 5925-00-931-3127
NSN 5905-01-117-6737
NSN 5895-00-194-9130
NSN 5965-00-532-3284
NSN 6135-01-513-3581
NSN 5998-01-634-0604
NSN 5935-01-365-9707
NSN 5835-00-223-7235
NSN 5985-01-479-0323