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 |
|---|---|
| 78500 | MERITOR HEAVY VEHICLE SYSTEMS LLC |
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 |
|---|---|---|
| AAQL | BODY STYLE | PLAIN, SOLID |
| AAQL | BODY STYLE | PLAIN, SOLID |
| CWTR | HUB STYLE DESIGNATOR | PLAIN FIRST END |
| AJLA | TEETH QUANTITY | 37 |
| CWMW | TEETH TYPE | SINGLE HELIX |
| MATT | MATERIAL | STEEL COMP 8620 OVERALL |
| CWTG | COUNTERBORE NOMINAL DIAMETER | 3.937 INCHES SECOND END |
| CWTB | COUNTERBORE NOMINAL DEPTH | 1.052 INCHES SECOND END |
| CWPP | PRESSURE ANGLE | 17.5000 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.114 INCHES FIRST END |
| CWRM | FACE NOMINAL WIDTH | 2.500 INCHES |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| CWNM | TOOTH DIRECTION | LEFT |
| AGJS | PITCH DIAMETER | 7.5174 INCHES NOMINAL |
| CWTX | HUB NOMINAL DIAMETER | 5.326 INCHES FIRST END |
| CWRS | BORE NOMINAL DIAMETER | 3.380 INCHES BOTH ENDS |
| BDTX | SPLINE PITCH DIAMETER | 4.2500 INCHES NOMINAL FIRST END |
| ANTP | BORE STYLE | W/COUNTERBORE SECOND END |
| ANTP | BORE STYLE | INVOLUTE SPLINE FIRST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 7.912 INCHES |
| CWPZ | HELIX ANGLE | 17.5447 DEGREES |
| CQFM | HARDNESS RATING | 57.0 ROCKWELL C MINIMUM OVERALL AND 63.0 ROCKWELL C MAXIMUM OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66AISI/SAE8620 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| ABSA | SPLINE QUANTITY | 34 FIRST END |
| CWNH | TOOTH FORM | STANDARD |