1680-00-879-1441 WEIGHT,BALLAST Index 1650-00-879-1444 DRIVE ASSEMBLY,CONTROL VALVE

National Stock Number:
1680-00-879-1442

Federal Supply Class:
1680

National Item Identification Number:
008791442

Description:
WEIGHT,BALLAST


Manufacturer Information:
1560UH1-347-581996U S ARMY AVIATION AND MISSILE COMMAND


Techincal Specification:
GENERAL CHARACTERISTICS ITEM DESCRIPTIONLEAD-ANTIMONY AMS7720,SURFACE FINISH,RED ENAMEL FED STD 595 NO. 11136,WHITE LETTERS NO. 17875,DIM.,10.800 IN. NOM LG,4.300 IN. MIN,4.350 IN. MAX OD,1.400 IN. MIN,1.450 IN. MAXID,1.600 IN. MIN,1.650 IN. MAX ID COUNTERBORED RIGHT END 1.200 IN. DEEP,FOUR HOLES 0.505 IN. MIN,0.525 IN. MAXDIA DRILLED THRU OD,TWO HOLES LOCATED 1.500 IN. FROM RIGHT END AND 1.400 IN.EACH SIDE OF HORIZONTAL CENTERLINE,TWOHOLES 5.500 IN. FROM RIGHT END AND 1.400 IN. FROM EACH SIDE OF HORIZONTALCENTERLINE,HOLES COUNTERBORED TO 1.250IN. MIN,1.255 IN. MAX DIA BY 0.900 IN.DEEP,CYLINDER CUT PERPENDICULAR TO HOLES W/0.062 TO 0.250 IN. MAX GAP,WEIGHT 50.000 LBS USED ON ALL UH1 TAILSKIDS TO MOVE CENTER OF GRAVITY TO COMPENSATE FOR FORWARD LOADING,ASSEMBLY CONSISTS OF 18 COMPONENTS,TWOWEIGHT HALVES,8 WASHERS AN960-816L,FOUR BOLTS AN8-27A AND FOUR NUTS MS21044N,


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