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 |
|---|---|
| 01351 | SOUTHERN GEAR & MACHINE 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 |
|---|---|---|
| SFTT | SURFACE TREATMENT | PASSIVATE HUB |
| SFTT | SURFACE TREATMENT | PASSIVATE HUB |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 FIRST GEAR |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 SECOND GEAR |
| CWRM | FACE NOMINAL WIDTH | 0.125 INCHES |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE HUB |
| MATT | MATERIAL | STEEL SPRING |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| AJLA | TEETH QUANTITY | 72 |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| CWCD | NOMINAL OUTSIDE DIAMETER | 0.615 INCHES |
| SFTT | SURFACE TREATMENT | ANODIZE FIRST GEAR |
| CWTX | HUB NOMINAL DIAMETER | 0.375 INCHES FIRST END |
| AGJS | PITCH DIAMETER | 0.6000 INCHES NOMINAL |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4,T3 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4,T3 FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR |
| CWTR | HUB STYLE DESIGNATOR | PINNED FIRST END |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| SFTT | SURFACE TREATMENT | ANODIZE SECOND GEAR |
| CWRS | BORE NOMINAL DIAMETER | 0.125 INCHES BOTH ENDS |
| MATT | MATERIAL | STEEL COMP 303S HUB |
| CWNH | TOOTH FORM | STANDARD |