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 |
|---|---|
| 19200 | U S ARMY ARMAMENT RESEARCH & DEVELOP |
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 |
|---|---|---|
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.249 INCHES FIRST END |
| AJLA | TEETH QUANTITY | 120 |
| AGJS | PITCH DIAMETER | 2.5000 INCHES NOMINAL |
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| CWTR | HUB STYLE DESIGNATOR | PLAIN FIRST END |
| CWRS | BORE NOMINAL DIAMETER | 0.375 INCHES BOTH ENDS |
| CWCD | NOMINAL OUTSIDE DIAMETER | 2.5416 INCHES |
| CWRM | FACE NOMINAL WIDTH | 0.188 INCHES |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| CWPP | PRESSURE ANGLE | 14.5000 DEGREES |
| CWTX | HUB NOMINAL DIAMETER | 0.500 INCHES FIRST END |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-750,COMP A,HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| CWWK | PRECISION CLASSIFICATION | QUALITY NUMBER 10 |
| CWNH | TOOTH FORM | STANDARD |