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 |
|---|---|
| 00328 | DESIGNATRONICS INCORPORATED DBA STER |
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 |
|---|---|---|
| CWWK | PRECISION CLASSIFICATION | QUALITY NUMBER 12 |
| CWWS | FIRST STEP NOMINAL LENGTH | 0.031 INCHES FIRST END |
| CMLK | MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC TRANSVERSELY THROUGH HUB, FIRST END |
| ABSX | ATTACHMENT METHOD | MOUNTING HOLE |
| CTQY | MOUNTING HOLE TYPE AND QUANTITY | 1 THREADED TRANSVERSELY THROUGH HUB, FIRST END |
| MATT | MATERIAL | STEEL COMP 303 OVERALL |
| CWTR | HUB STYLE DESIGNATOR | 1 STEP FIRST END |
| CQLT | MOUNTING HOLE NOMINAL THREAD SIZE | 0.138 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWWN | END NOMINAL DIAMETER | 0.438 INCHES FIRST END |
| CWRM | FACE NOMINAL WIDTH | 0.188 INCHES |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-STD-171,FINISH NO. 5.4.1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CWXB | FIRST STEP NOMINAL DIAMETER | 0.500 INCHES FIRST END |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.406 INCHES FIRST END |
| AGJS | PITCH DIAMETER | 1.2493 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM |
| AJLA | TEETH QUANTITY | 40 |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| CWWH | END NOMINAL LENGTH | 0.375 INCHES FIRST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 1.3120 INCHES |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| CWRS | BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| CWNH | TOOTH FORM | STANDARD |