| GENERAL CHARACTERISTICS ITEM DESCRIPTION | MONEL MIL-N-894 CLASS A,3.750 IN. OD FLANGE,1.749 IN. OD HUB,FOUR 0.406 IN DIA HOLES EQUALLY SPACED ON 2.750 IN. DIA BOLT CIRCLE,HOLES HAVE 0.812 IN. DIA COUNTER BORES TO A DEPTH OF 0.438 IN.,0.686 IN. FLANGE LG,0.375 IN. HUB LG,0.500 IN. W BY 0.062 IN. DEEP GROOVE AROUND FACE OF FLANGE BISECTING MTG HOLES,125 MICROINCH FINISH ALL OVER,COLLAR IS EVENLY SPLIT WITH 3/32 SAW AFTER MACHINING |