Part Number
Part Number:
NSN:
NIIN:
Item Name:
GEAR , HELICAL
Definition:
A GEAR, CYLINDRICAL IN FORM, WITH TEETH ON THE OUTER SURFACE AT AN ANGLE TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, HELICAL:
CAGE Information
| Code | Company |
|---|---|
| 78286 | SIKORSKY AIRCRAFT CORPORATION |
Federal Supply Class
Title
GEARS, PULLEYS, SPROCKETS, AND T
Inclusions:
INCLUDES POWER TRANSMISSION CHAIN; MATCHED GEAR SETS.
Exclusions:
EXCLUDES REDUCTION GEARS (FSC 3010).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CQLT | MOUNTING HOLE NOMINAL THREAD SIZE | 0.625 INCHES TRANSVERSELY THROUGH FACE |
| CWQR | NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END | 1.550 INCHES FIRST END |
| ABSX | ATTACHMENT METHOD | MOUNTING HOLE |
| CWCD | NOMINAL OUTSIDE DIAMETER | 12.583 INCHES |
| CWTR | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| CWRS | BORE NOMINAL DIAMETER | 5.244 INCHES BOTH ENDS |
| CWMW | TEETH TYPE | SINGLE HELIX |
| ABSA | SPLINE QUANTITY | 82 BOTH ENDS |
| AGJS | PITCH DIAMETER | 12.3913 INCHES NOMINAL |
| AAQL | BODY STYLE | WEBBED, OFFSET, WITH LIGHTENING HOLES |
| STYL | STYLE DESIGNATOR | CONE SHAPE BODY, PROTRUDING HUB, RECESSED HUB |
| FEAT | SPECIAL FEATURES | COUNTERBORE FIRST END,DIA. 5.281 IN. NOMINAL,DEPTH 0.188 IN. NOMINAL FLIGHT SAFETY CRITICAL |
| CWPP | PRESSURE ANGLE | 22.5000 DEGREES |
| CWPZ | HELIX ANGLE | 28.3998 DEGREES |
| CWNM | TOOTH DIRECTION | RIGHT |
| CTQY | MOUNTING HOLE TYPE AND QUANTITY | 4 THREADED TRANSVERSELY THROUGH FACE |
| AJLA | TEETH QUANTITY | 109 |
| ANTP | BORE STYLE | INVOLUTE SPLINE BOTH ENDS |
| BDTX | SPLINE PITCH DIAMETER | 5.1250 INCHES NOMINAL BOTH ENDS |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| CMLK | MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC TRANSVERSELY THROUGH FACE |
| MATT | MATERIAL | STEEL COMP E9310 OVERALL |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.210 INCHES SECOND END |
| CWRM | FACE NOMINAL WIDTH | 2.687 INCHES |
| CWTX | HUB NOMINAL DIAMETER | 5.687 INCHES FIRST END |
| CWNH | TOOTH FORM | STANDARD |