Used on sikorsky cargo transport helicopter ch-54a and ch-54b. 3a thread class right-hand 0.610" overall length 200000.0 pounds per square inch tensile strength rating passivate surface treated inverted nut, tube, flare
Used on grumman a-10 aircraft. 3a external thread class right-hand external 0.938" overall length w/threaded internal hole, 1/8 in.-36, uns, in top, bottom hole drilled, 0.703 in.deep by 0.391 in.id anodize surface treated plug, tube fitting flared (note: drilled hole is optional should not be considered as a separating characteristic unf external thread series
