National Stock Number (NSN) Output Data
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.
Reference/Part Number
| Part Number | CAGE | Status | RNCC | RNVC | DAC | RNAAC | MSDS | SADC |
|---|---|---|---|---|---|---|---|---|
| 7438-2149 | 11871 | A | 3 | 2 | 2 | SU |
CAGE Information
| Code | Company |
|---|---|
| 11871 | RECON/OPTICAL 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 |
|---|---|---|
| CWQN | HUB NOMINAL LENGTH | 0.491 INCHES BETWEEN FIRST AND SECOND GEAR |
| CWTR | HUB STYLE DESIGNATOR | 1 STEP BETWEEN FIRST AND SECOND GEAR |
| CWFR | NOMINAL OVERALL LENGTH | 0.689 INCHES |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 FIRST GEAR |
| SFTT | SURFACE TREATMENT | PASSIVATE SHAFT/HUB |
| CWTR | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| APGF | DESIGN TYPE | SPUR SECOND GEAR |
| CQCF | CONSTRUCTION | ASSEMBLED |
| ANTP | BORE STYLE | W/COUNTERBORE BOTH ENDS |
| MATT | MATERIAL | STEEL COMP 303 SHAFT/HUB |
| CWTB | COUNTERBORE NOMINAL DEPTH | 0.056 INCHES BOTH ENDS |
| CWTX | HUB NOMINAL DIAMETER | 0.500 INCHES BETWEEN FIRST AND SECOND GEAR |
| SFTT | SURFACE TREATMENT | ANODIZE FIRST GEAR |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE SHAFT/HUB |
| CWCD | NOMINAL OUTSIDE DIAMETER | 1.0080 INCHES FIRST GEAR |
| CWTX | HUB NOMINAL DIAMETER | 0.406 INCHES SECOND END |
| APGF | DESIGN TYPE | BEVEL FIRST GEAR |
| CWTX | HUB NOMINAL DIAMETER | 0.500 INCHES FIRST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 0.500 INCHES SECOND GEAR |
| CWTG | COUNTERBORE NOMINAL DIAMETER | 0.3280 INCHES BOTH ENDS |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR |
| MATT | MATERIAL | STEEL COMP 303 SECOND GEAR |
| SFTT | SURFACE TREATMENT | PASSIVATE SECOND GEAR |