Part Number
Part Number:
NSN:
NIIN:
Item Name:
GEAR , ANTIBACKLASH , WORM WHEEL
Definition:
AN ITEM HAVING ONE FIXED GEAR AND ONE FREE GEAR, BOTH HAVING THE SAME COMPLEMENT OF WORM WHEEL 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 |
|---|---|
| 09205 | LOCKHEED MARTIN CORP ELECTRONICS AND |
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 | 1.8740 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM |
| CWPZ | HELIX ANGLE | 7.0000 DEGREES |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE HUB |
| CWFR | NOMINAL OVERALL LENGTH | 0.402 INCHES |
| ALPN | FACE TYPE | CONCAVE |
| CWRM | FACE NOMINAL WIDTH | 0.187 INCHES |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| ABSX | ATTACHMENT METHOD | CLAMP |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| CWCD | NOMINAL OUTSIDE DIAMETER | 2.070 INCHES |
| CWPL | MATING THREAD LEAD QUANTITY | 2 |
| CWTR | HUB STYLE DESIGNATOR | SPLIT FIRST END |
| CWNM | TOOTH DIRECTION | RIGHT |
| CWNP | THROAT NOMINAL RADIUS | 0.155 INCHES |
| CWTX | HUB NOMINAL DIAMETER | 0.312 INCHES FIRST END |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| MATT | MATERIAL | STEEL COMP 303 HUB |
| CWWC | CLAMPING SURFACE NOMINAL LENGTH | 0.215 INCHES FIRST END |
| AJLA | TEETH QUANTITY | 90 |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.215 INCHES FIRST END |
| CWRS | BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |