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 |
|---|---|
| 04939 | LOCKHEED MARTIN CORPORATION DBA LOCK |
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 |
|---|---|---|
| FEAT | SPECIAL FEATURES | WEAPON STSTEM ESSENTIAL |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.234 INCHES FIRST END |
| MATT | MATERIAL | STEEL COMP 303 OVERALL |
| CWTX | HUB NOMINAL DIAMETER | 0.520 INCHES SECOND END |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWTX | HUB NOMINAL DIAMETER | 0.125 INCHES FIRST END |
| CWTR | HUB STYLE DESIGNATOR | PLAIN SECOND END |
| CWRM | FACE NOMINAL WIDTH | 0.104 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 0.313 INCHES BOTH ENDS |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.046 INCHES SECOND END |
| STYL | STYLE DESIGNATOR | PROTRUDING HUBS |
| AJLA | TEETH QUANTITY | 24 |
| AGJS | PITCH DIAMETER | 0.7500 INCHES NOMINAL |
| CWTR | HUB STYLE DESIGNATOR | PINNED FIRST END |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| AGAV | END ITEM IDENTIFICATION | F/A-18 HORNET AIRCRAFT |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| CWNH | TOOTH FORM | STANDARD |