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 |
|---|---|
| 30003 | NAVAL AIR SYSTEMS COMMAND |
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 |
|---|---|---|
| MATT | MATERIAL | STEEL SPRING |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| AGJS | PITCH DIAMETER | 3.5000 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 84 |
| CWRM | FACE NOMINAL WIDTH | 0.190 INCHES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.179 INCHES SECOND END |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 BODY |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.240 INCHES FIRST END |
| STYL | STYLE DESIGNATOR | PROTRUDING HUBS |
| CWTR | HUB STYLE DESIGNATOR | PINNED FIRST END |
| TMQY | FURNISHED ITEMS AND QUANTITY | 1 SETSCREW |
| CWTX | HUB NOMINAL DIAMETER | 0.500 INCHES FIRST END |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| CWCD | NOMINAL OUTSIDE DIAMETER | 3.583 INCHES |
| MATT | MATERIAL | STEEL COMP 303 HUB |
| CWTR | HUB STYLE DESIGNATOR | THREADED SECOND END |
| CWRS | BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |
| CWWK | PRECISION CLASSIFICATION | QUALITY NUMBER 10 |
| CWNH | TOOTH FORM | STANDARD |