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 |
|---|---|
| 18876 | U S ARMY AVIATION AND MISSILE COMMAN |
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 |
|---|---|---|
| CWCD | NOMINAL OUTSIDE DIAMETER | 2.4290 INCHES SECOND GEAR |
| CWCD | NOMINAL OUTSIDE DIAMETER | 2.4290 INCHES SECOND GEAR |
| APGF | DESIGN TYPE | SPUR FIRST GEAR |
| CWQN | HUB NOMINAL LENGTH | 0.225 INCHES BETWEEN FIRST AND SECOND GEAR |
| APGF | DESIGN TYPE | SPUR SECOND GEAR |
| MATT | MATERIAL | STEEL COMP 8620 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8690,COMP 8620 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| CWFR | NOMINAL OVERALL LENGTH | 2.600 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 1.329 INCHES BOTH ENDS |
| CWCD | NOMINAL OUTSIDE DIAMETER | 2.8620 INCHES FIRST GEAR |
| CQCF | CONSTRUCTION | SOLID |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| CQFM | HARDNESS RATING | 59.0 ROCKWELL C MINIMUM OVERALL AND 62.0 ROCKWELL C MAXIMUM OVERALL |