Part Number
Part Number:
NSN:
NIIN:
Item Name:
GEAR , ANTIBACKLASH , SPUR
Definition:
AN ITEM HAVING ONE FIXED GEAR AND ONE FREE GEAR, BOTH HAVING THE SAME COMPLEMENT OF SPUR GEAR TEETH, MOUNTED ON A COMMON HUB. THE FREE GEAR IS ATTACHED TO THE FIXED GEAR BY SPRINGS AND OPERATES AS ONE GEAR. UPON INSTALLATION WITH THE MATING GEAR, THE TEETH OF THE FREE MOVING GEAR ARE PRESET TO MESH WITH TEETH OTHER THAN THOSE OF THE FIXED GEAR. THIS SPRING TENSION BETWEEN THE FIXED GEAR AND THE FREE GEAR ELIMINATES ANY FREE MOTION BETWEEN THE DRIVER AND THE DRIVEN GEAR. THE GEAR IS USED WHERE IDENTICAL AND ACCURATE TRANSMITTED MOTION BETWEEN GEARS IS REQUIRED.
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 |
|---|---|---|
| SFTT | SURFACE TREATMENT | ANODIZE BODY |
| AGJS | PITCH DIAMETER | 1.6562 INCHES NOMINAL |
| CWRM | FACE NOMINAL WIDTH | 0.125 INCHES |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.016 INCHES SECOND END |
| CWTR | HUB STYLE DESIGNATOR | PLAIN SECOND END |
| SFTT | SURFACE TREATMENT | ANODIZE HUB |
| CWTX | HUB NOMINAL DIAMETER | 0.625 INCHES SECOND END |
| AJLA | TEETH QUANTITY | 106 |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.281 INCHES FIRST END |
| STYL | STYLE DESIGNATOR | PROTRUDING HUBS |
| CWCD | NOMINAL OUTSIDE DIAMETER | 1.687 INCHES |
| CWFR | NOMINAL OVERALL LENGTH | 0.422 INCHES |
| MATT | MATERIAL | ALUMINUM ALLOY HUB |
| CWTR | HUB STYLE DESIGNATOR | PINNED FIRST END |
| CWTX | HUB NOMINAL DIAMETER | 0.813 INCHES FIRST END |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| MATT | MATERIAL | ALUMINUM ALLOY BODY |
| CWRS | BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |
| CWWK | PRECISION CLASSIFICATION | QUALITY NUMBER 10 |
| CWNH | TOOTH FORM | STANDARD |