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 |
|---|---|
| 81755 | 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 |
|---|---|---|
| CWRM | FACE NOMINAL WIDTH | 0.125 INCHES |
| MATT | MATERIAL | STEEL COMP 303 OVERALL |
| AGJS | PITCH DIAMETER | 1.3960 INCHES NOMINAL |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| CWTX | HUB NOMINAL DIAMETER | 0.375 INCHES FIRST END |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66,AISI 303/SAE 30303 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| CWCD | NOMINAL OUTSIDE DIAMETER | 1.417 INCHES |
| CWTR | HUB STYLE DESIGNATOR | PINNED FIRST END |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| AJLA | TEETH QUANTITY | 134 |
| CWRS | BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| CWNH | TOOTH FORM | STANDARD |