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 |
|---|---|
| 01147 | ARCH GEAR WORKS 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 | ANODIZE BODY |
| CWRM | FACE NOMINAL WIDTH | 0.125 INCHES |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| BDZQ | BACKLASH DESIGNATION | GRADE C |
| CWCD | NOMINAL OUTSIDE DIAMETER | 1.201 INCHES |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| MATT | MATERIAL | STEEL COMP 303SE HUB |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 BODY |
| CWTX | HUB NOMINAL DIAMETER | 0.375 INCHES FIRST END |
| AJLA | TEETH QUANTITY | 75 |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END |
| AGJS | PITCH DIAMETER | 1.1713 INCHES NOMINAL |
| CWTR | HUB STYLE DESIGNATOR | PINNED FIRST END |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| CWRS | BORE NOMINAL DIAMETER | 0.187 INCHES BOTH ENDS |
| CWWK | PRECISION CLASSIFICATION | QUALITY NUMBER 10 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66,AISI 303SE/SAE 30303SE FED STD SINGLE MATERIAL RESPONSE HUB |
| CWNH | TOOTH FORM | STANDARD |