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 |
|---|---|
| 15434 | CUMMINS INC. |
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 |
|---|---|---|
| ABSX | ATTACHMENT METHOD | MOUNTING HOLE |
| ABSX | ATTACHMENT METHOD | MOUNTING HOLE |
| CWRS | BORE NOMINAL DIAMETER | 2.6250 INCHES BOTH ENDS |
| CWTX | HUB NOMINAL DIAMETER | 4.312 INCHES FIRST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 9.997 INCHES |
| CWRM | FACE NOMINAL WIDTH | 1.250 INCHES |
| AAQL | BODY STYLE | WEBBED, OFFSET, SOLID |
| CWTR | HUB STYLE DESIGNATOR | PLAIN FIRST END |
| CWMW | TEETH TYPE | SINGLE HELIX |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| FEAT | SPECIAL FEATURES | NFIG 1 ON END OF HUB ON CENTERLINE OF MTG HOLE,LETTER O LOCATED ON FACE OF GEAR AT ROOT OF TOOTH SPACE 65 DEG 44 MIN CW FROM FIG 1,DOUBLE @CHISEL MARKS AT ROOT OF TWO TEETH SPACES 64 DEG 16 MIN CCW FROM @FIG 1 MARK |
| CQFM | HARDNESS RATING | 31.0 ROCKWELL C MINIMUM OVERALL AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL AND AISI/SAE 4340H ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AJLA | TEETH QUANTITY | 72 |
| CWRB | BODY RECESS NOMINAL DEPTH | 0.468 INCHES SECOND END |
| CWZN | BOLT HOLE CIRCLE NOMINAL DIAMETER | 3.375 INCHES AXIALLY THROUGH HUB, FIRST END |
| CWNM | TOOTH DIRECTION | RIGHT |
| CWPZ | HELIX ANGLE | 22.6198 DEGREES |
| CTQY | MOUNTING HOLE TYPE AND QUANTITY | 6 PLAIN AXIALLY THROUGH HUB, FIRST END |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| CWTG | COUNTERBORE NOMINAL DIAMETER | 4.250 INCHES SECOND END |
| CWTB | COUNTERBORE NOMINAL DEPTH | 0.2187 INCHES SECOND END |
| CWZK | MOUNTING HOLE NOMINAL DIAMETER | 0.374 INCHES AXIALLY THROUGH HUB, FIRST END |
| MATT | MATERIAL | STEEL COMP 4340H OVERALL |
| AGJS | PITCH DIAMETER | 9.7500 INCHES NOMINAL |
| CWQR | NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END | 0.218 INCHES BOTH ENDS |
| CWNH | TOOTH FORM | STANDARD |