3b thread class right-hand 2.000" overall length 1.891" overall width 1, 125 in. cutout 1.125 in. cutout on one side; 2 coats of epoxy polyamide primer applied to alodine finish chromate surface treated square shape unc thread series
Used on hu25a coast guard aircraft. 2a single mounting facility thread class 0.150" single mounting facility thread length 1.266" overall length 14 wire leads in tap, circular, bushing mount unef single mounting facility thread series