Used on barrier boat, 25 foot. external all ends thread class 11 1/2 all ends thread quantity per inch mp-mp hex nipple 5404 series sae 140137 center wrenching facility nptf all ends thread series
Used on uh1 huey. fitting, cross, standard designed for use in tubing connection systems with operatiing pressure:sizes 02 thru 16 in low aluminum alloy, crs anodize surface treated