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 |
|---|---|
| 53711 | NAVAL SEA 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 |
|---|---|---|
| SFTT | SURFACE TREATMENT | PASSIVATE HUB |
| SFTT | SURFACE TREATMENT | PASSIVATE HUB |
| CWTX | HUB NOMINAL DIAMETER | 0.688 INCHES SECOND END |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.288 INCHES FIRST END |
| MATT | MATERIAL | STEEL COMP 303 OVERALL |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWTR | HUB STYLE DESIGNATOR | PLAIN SECOND END |
| AJLA | TEETH QUANTITY | 60 |
| CWRM | FACE NOMINAL WIDTH | 0.104 INCHES |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AGJS | PITCH DIAMETER | 1.2500 INCHES NOMINAL |
| CWTX | HUB NOMINAL DIAMETER | 0.375 INCHES FIRST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 1.2910 INCHES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.046 INCHES SECOND END |
| STYL | STYLE DESIGNATOR | PROTRUDING HUBS |
| CWTR | HUB STYLE DESIGNATOR | PINNED FIRST END |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| CWRS | BORE NOMINAL DIAMETER | 0.187 INCHES BOTH ENDS |
| CWWK | PRECISION CLASSIFICATION | QUALITY NUMBER 10 |
| CWNH | TOOTH FORM | STANDARD |