| GENERAL CHARACTERISTICS ITEM DESCRIPTION | ALUMINUM ALLOY QQ-A-250/4 COMP 2024-T351,ANODIZED PER BPS 4001 BELLHELICOPTER CO,DIM.,ISOSCELES TRIANGLE SHAPED RETAINER 3.680 IN. NOM HIGHW/BASE 3.800 IN. NOM W,0.290 IN. THICK,APERTURE CENTER 1.150 IN. FROM BASE1.494 IN. MIN,1.496 IN. MAX DIA,2.040 IN. MIN,2.042 IN. MAX DIA COUNTERBOREON LEFT SIDE BY 0.122 IN. MIN,0.128 IN. MAX DEEP,ONE BUSHING HOLE 0.3750 IN.NOM DIA LOCATED ON VERTICAL CENTERLINE 2.150 IN. FROM BASE,BUSHING P/N23-006-15-17-16 FSCM 97499 INSERTED INTO HOLE,BUSHING ID 0.2500 IN. NOM,TWOMOUNTING HOLES 0.283 IN. NOM DIA LOCATED 0.525 IN. FROM BASE AND 1.150 IN.EITHER SIDE OF VERTICAL CENTERLINE,ONE MOUNTING HOLE 0.283 IN. DIA LOCATED2.400 IN. FROM BASE ON VERTICAE CENTERLINE,BASE ENDS CHAMFERED 0.700 IN.HIGH BY 0.750 IN. W,APEX FLATTENED TO 0.500 IN. W,MAX SURFACE FINISH,ID ANDCOUNTERBORE 63 MICROINCHES AA,ALL OTHER SURFACES 125 MICROINCHES AA |