16.000" overall width 24 bolt hole quantity mshape irregular trapezoid 21.380 lg ext side 19.500 lg aperture side 19.760 short ext side 17.74 short aperture side flange across width 5.690 fromshort side interior 2.75 w x 2.25 deepexterior 4.69 w x 2.63 deep
0.281" hole diameter 5.500" outside diameter 12 bolt hole quantity 5two locator holes 0.344 in. dia, one 0.593 in. above horizontal center line 2.292 in. on left side of vertical center line circular
0.440" hole diameter 6.500" outside diameter 6 bolt hole quantity one locator hole 0.500 in. dia on 2.750 in. bolt circle dia, 20 degrees below horizontal center line circular
0.625" hole diameter 28.000" overall length 18.500" overall width 26 bolt hole quantity item must comply with requirements of defense supply center philadelphia production standard no. PO0493nrp non-circular