Part Number
Part Number:
NSN:
NIIN:
Item Name:
BRACKET ASSEMBLY , MAIN ROTOR TORQ
CAGE Information
| Code | Company |
|---|---|
| 78286 | SIKORSKY AIRCRAFT CORPORATION |
Federal Supply Class
Title
HELICOPTER ROTOR BLADES, DRIVE M
Inclusions:
INCLUDES HELICOPTER DYNAMIC COMPONENTS AND SPECIALLY DESIGNED PARTS THAT TRANSMIT POWER FROM THE AIRCRAFT POWER PLANT TO THE ROTARY WING AND ROTARY RUDDER. ALSO INCLUDED IN THIS CLASS ARE ROTORS; BLADES; ROTOR BLADE, TRIM, TABS; BLADE SETS; YOKES; CLUTCHES AND TRANSMISSIONS.
Exclusions:
EXCLUDES PROPELLERS (FSC 1610); ROTOR BRAKE SYSTEMS COMPONENTS (FSC 1630); ROTOR BLADE HYDRAULIC FOLDING SYSTEM COMPONENTS (FSC 1650); HYDRAULIC SERVO SYSTEM COMPONENTS (FSC 1650).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | MAGNESIUM ALLOY QQ-M-40 COMP ZK60A,SURFACE TREATMENT MIL-M-3171 TYPE 3 BRACKET,STEEL,MIL-S-5000 COMP 4140 COND C,CADMIUM-PLATED QQ-P-416 LINER,DIM.,7.940 IN. NOM HT,3.245 IN. MIN,3.255 IN. MAX BASE LG,0.625 IN. NOM BASE THK,0.934 IN. NOM CENTER UPRIGHT THK,FOUR MOUNTING HOLES 0.377 IN. DIA DRILLED IN. BASE W/1.874 IN. C TO C DISTANCE IN. LG AND 1.750 IN. C TO C DISTANCE ON W,ONE CENTRAL APERTURE 3.312 IN. MIN,3.313 IN. MAX DIA ON UPRIGHT 5.500 IN. FROM BOTTOM,RIGHT SIDE OF APERTURE COUNTERBORED TO 3.700 IN. DIA BY 0.064 IN. DEEP,THREE EQUALLY SPACED MOUNTING HOLES 0.157 IN. DIA ON UPRIGHT ON 4.124 IN. BOLT CIRCLE DIA,LINER DIM.,3.625 IN. NOM FLANGE OD,0.061 IN. NOM FLANGE THK,0.934 IN. O/A LG,3.3145 IN. OD,3.125 IN. NOM ID,FOUR EQUALLY SPACED SLOTS ON ID 0.375 IN. W BY 0.078 IN. DEEP |