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 |
|---|---|
| SCY13 | E.C.A ETABLISSEMENT CENTRAL DES APPR |
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 |
|---|---|---|
| CTQY | MOUNTING HOLE TYPE AND QUANTITY | 3 PLAIN TRANSVERSELY THROUGH FACE |
| MATT | MATERIAL | STEEL COMP 8620H OVERALL OR STEEL COMP 8720H OVERALL |
| ABSX | ATTACHMENT METHOD | MOUNTING HOLE |
| CWTX | HUB NOMINAL DIAMETER | 3.938 INCHES FIRST END |
| AAQL | BODY STYLE | PLAIN, SOLID |
| CWTR | HUB STYLE DESIGNATOR | PLAIN FIRST END |
| CWMW | TEETH TYPE | SINGLE HELIX |
| FEAT | SPECIAL FEATURES | COUNTERORE 1ST END,DIA 3.344 IN. NOM BY 0.483 IN. NOM DEEP |
| AJLA | TEETH QUANTITY | 23 |
| CWPP | PRESSURE ANGLE | 17.5000 DEGREES |
| BDTX | SPLINE PITCH DIAMETER | 3.1429 INCHES NOMINAL BOTH ENDS |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.890 INCHES FIRST END |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| CWPZ | HELIX ANGLE | 26.1666 DEGREES |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| CWNM | TOOTH DIRECTION | LEFT |
| AGJS | PITCH DIAMETER | 4.2714 INCHES NOMINAL |
| CWRM | FACE NOMINAL WIDTH | 1.281 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 3.303 INCHES BOTH ENDS |
| ANTP | BORE STYLE | INVOLUTE SPLINE BOTH ENDS |
| ABSA | SPLINE QUANTITY | 22 BOTH ENDS |
| CWZK | MOUNTING HOLE NOMINAL DIAMETER | 0.156 INCHES TRANSVERSELY THROUGH FACE |
| CQFM | HARDNESS RATING | 59.0 ROCKWELL C MINIMUM OVERALL AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| CWCD | NOMINAL OUTSIDE DIAMETER | 4.728 INCHES |
| CWNH | TOOTH FORM | STANDARD |