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 5910-00-049-3914
NSN 6110-00-271-9928
NSN 5945-01-206-4520
NSN 5935-00-153-2785
NSN 6220-01-263-2227
NSN 6135-01-351-2690
NSN 6240-01-037-7108
NSN 5998-00-551-7051
NSN 5915-01-551-3109
NSN 6320-01-132-2746
NSN 6220-01-146-2838
NSN 6240-01-392-1334