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 |
|---|---|
| SCY13 | E.C.A ETABLISSEMENT CENTRAL DES APPR |
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 |
| AGJS | PITCH DIAMETER | 0.5833 INCHES NOMINAL |
| CWRM | FACE NOMINAL WIDTH | 0.125 INCHES |
| MATT | MATERIAL | STEEL COMP 303 OVERALL |
| CWCD | NOMINAL OUTSIDE DIAMETER | 0.6250 INCHES |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| BDZQ | BACKLASH DESIGNATION | GRADE B |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| CWTX | HUB NOMINAL DIAMETER | 0.433 INCHES FIRST END |
| AJLA | TEETH QUANTITY | 28 |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END |
| CWTR | HUB STYLE DESIGNATOR | PINNED FIRST END |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| CWRS | BORE NOMINAL DIAMETER | 0.188 INCHES BOTH ENDS |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| CWWK | PRECISION CLASSIFICATION | QUALITY NUMBER 10 |
| CWNH | TOOTH FORM | STANDARD |