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 |
|---|---|
| 82577 | RAYTHEON COMPANY DBA RAYTHEON |
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 |
|---|---|---|
| CWCD | NOMINAL OUTSIDE DIAMETER | 1.145 INCHES |
| CWPP | PRESSURE ANGLE | 2.0000 DEGREES |
| 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 |
| CWWN | END NOMINAL DIAMETER | 0.437 INCHES FIRST END |
| CWTR | HUB STYLE DESIGNATOR | 1 STEP FIRST END |
| CQLT | MOUNTING HOLE NOMINAL THREAD SIZE | 0.086 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.217 INCHES FIRST END |
| AGJS | PITCH DIAMETER | 1.1250 INCHES NOMINAL |
| CWXB | FIRST STEP NOMINAL DIAMETER | 0.500 INCHES FIRST END |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| CWRM | FACE NOMINAL WIDTH | 0.108 INCHES |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MS171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| AJLA | TEETH QUANTITY | 108 |
| TMQY | FURNISHED ITEMS AND QUANTITY | 1 SETSCREW |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| FEAT | SPECIAL FEATURES | MTG HOLES 90 DEG APART CENTERED 0.094 IN. FROM END OF HUB |
| CWWS | FIRST STEP NOMINAL LENGTH | 0.030 INCHES FIRST END |
| CWWH | END NOMINAL LENGTH | 0.188 INCHES FIRST END |
| CWRS | BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| CWWK | PRECISION CLASSIFICATION | QUALITY NUMBER 10 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| CWNH | TOOTH FORM | STANDARD |