Part Number
Part Number:
NSN:
NIIN:
Item Name:
GEAR CLUSTER
Definition:
A CYLINDRICAL ITEM HAVING A FULL 360 DEGREE (6.282 RADIANS) COMPLEMENT OF TEETH ON TWO OR MORE SURFACES. IT MAY BE A ONE-PIECE CASTING OR COMPOSED OF TWO OR MORE SEPARATE ITEMS FIRMLY HELD TOGETHER BY WELDING, RIVETS, PINS, OR THE LIKE, TO FORM A SINGLE UNIT. IT IS DESIGNED TO MOUNT ON A SHAFT. FOR ITEMS CONSISTING OF A SHAFT WITH AN INTEGRAL COMPLEMENT(S) OR GEAR TEETH, SEE GEARSHAFT (AS MODIFIED). EXCLUDES GEAR SUBASSEMBLY, SPEED DECREASER.
CAGE Information
| Code | Company |
|---|---|
| 56442 | DIAMOND REO TRUCK CO |
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 |
|---|---|---|
| APGF | DESIGN TYPE | SPUR FIRST GEAR |
| CWCD | NOMINAL OUTSIDE DIAMETER | 8.116 INCHES SECOND GEAR |
| CWTR | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| CWTX | HUB NOMINAL DIAMETER | 4.125 INCHES FIRST END |
| CWTX | HUB NOMINAL DIAMETER | 3.563 INCHES SECOND END |
| MATT | MATERIAL | STEEL COMP 8620 OVERALL |
| CWTX | HUB NOMINAL DIAMETER | 5.313 INCHES BETWEEN FIRST AND SECOND GEAR |
| CWTG | COUNTERBORE NOMINAL DIAMETER | 4.8750 INCHES FIRST END |
| CWRS | BORE NOMINAL DIAMETER | 3.002 INCHES FIRST END |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL AND AISI/SAE 8620 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| CWQN | HUB NOMINAL LENGTH | 0.500 INCHES SECOND END |
| CWQN | HUB NOMINAL LENGTH | 0.626 INCHES BETWEEN FIRST AND SECOND GEAR |
| ANTP | BORE STYLE | W/COUNTERBORE FIRST END |
| CQCF | CONSTRUCTION | SOLID |
| CWTB | COUNTERBORE NOMINAL DEPTH | 0.156 INCHES FIRST END |
| CWFR | NOMINAL OVERALL LENGTH | 2.563 INCHES |
| CQFM | HARDNESS RATING | 57.0 ROCKWELL C MINIMUM OVERALL AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| CWTR | HUB STYLE DESIGNATOR | PLAIN BETWEEN FIRST AND SECOND GEAR |
| CWCD | NOMINAL OUTSIDE DIAMETER | 6.453 INCHES FIRST GEAR |
| APGF | DESIGN TYPE | HELICAL SECOND GEAR |