Part Number
Part Number:
NSN:
NIIN:
Item Name:
TRUNNION ASSY , TAIL ROTOR
CAGE Information
| Code | Company |
|---|---|
| 97499 | BELL HELICOPTER TEXTRON INC. |
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 | FSTEEL,AMS6414 COMP AISI 4340 BODY,CADMIUM-PLATED O/A EXCEPT SPLINES,STEEL INNER RACE NO. RA42584 TORRINGTON,DIM.,3.950 IN. MIN,3.960 IN. MAX O/A LG,1.630 IN. MIN,1.700 IN. MAX CENTER W,0.9378 IN. MIN,0.9382 IN. MAX LEFT AND RIGHT ARM THICKNESS,1.845 IN. MIN,1.855 IN. MAX LEFT AND RIGHT ARM SPHERICAL RADIUS,1.150 IN. MIN,1.160 IN. MAX LEFT AND RIGHT ARM LG,0.635 IN. DIA ARM ENDS BY 0.317 IN. LG,TRUNNION INTERNAL SPLINE DATA,INVOLUTE FLAT ROOT SPLINE,SIDE BEARING SLIDING CLASS A FIT,40 TEETH THEORETICAL,32/64 DIAMETRAL PITCH,30.0 DEG PRESSURE ANGLE,1.2500 IN. PITCH DIA,1.2188 IN. MIN 1.2203 IN. MIN MINOR DIA,1.2915 IN. MIN,1.2996 IN. MAX MAJOR DIA,TRUNNION ARMS FITTED W/TORRINGTON NO. RA24584 INNER RACE |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | FSTEEL,AMS6414 COMP AISI 4340 BODY,CADMIUM-PLATED O/A EXCEPT SPLINES,STEEL INNER RACE NO. RA42584 TORRINGTON,DIM.,3.950 IN. MIN,3.960 IN. MAX O/A LG,1.630 IN. MIN,1.700 IN. MAX CENTER W,0.9378 IN. MIN,0.9382 IN. MAX LEFT AND RIGHT ARM THICKNESS,1.845 IN. MIN,1.855 IN. MAX LEFT AND RIGHT ARM SPHERICAL RADIUS,1.150 IN. MIN,1.160 IN. MAX LEFT AND RIGHT ARM LG,0.635 IN. DIA ARM ENDS BY 0.317 IN. LG,TRUNNION INTERNAL SPLINE DATA,INVOLUTE FLAT ROOT SPLINE,SIDE BEARING SLIDING CLASS A FIT,40 TEETH THEORETICAL,32/64 DIAMETRAL PITCH,30.0 DEG PRESSURE ANGLE,1.2500 IN. PITCH DIA,1.2188 IN. MIN 1.2203 IN. MIN MINOR DIA,1.2915 IN. MIN,1.2996 IN. MAX MAJOR DIA,TRUNNION ARMS FITTED W/TORRINGTON NO. RA24584 INNER RACE |