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 |
|---|---|---|
| ABSX | ATTACHMENT METHOD | MOUNTING HOLE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/4,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| CWZK | MOUNTING HOLE NOMINAL DIAMETER | 0.438 INCHES AXIALLY THROUGH BODY, FIRST END |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| AGJS | PITCH DIAMETER | 9.5000 INCHES NOMINAL |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| AJLA | TEETH QUANTITY | 228 |
| CWRM | FACE NOMINAL WIDTH | 0.342 INCHES |
| CWWK | PRECISION CLASSIFICATION | QUALITY NUMBER 8 |
| STYL | STYLE DESIGNATOR | HUBLESS |
| CWNH | TOOTH FORM | STANDARD |