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 |
|---|---|
| 20418 | DRS SUSTAINMENT SYSTEMS INC. DIV DRS |
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 |
|---|---|---|
| AGJS | PITCH DIAMETER | 1.3335 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 302 SPRING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE HUB |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| AGAV | END ITEM IDENTIFICATION | E/I AN/APQ170RAD, W/S,9AC-130A,AC-130H,MC-130H,EC-130E,HC-130) AIRCR |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| CWRM | FACE NOMINAL WIDTH | 0.312 INCHES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END |
| ANTP | BORE STYLE | PLAIN BETWEEN BODY AND FLANGE |
| AJLA | TEETH QUANTITY | 64 |
| CWCD | NOMINAL OUTSIDE DIAMETER | 1.3750 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 0.1248 INCHES FIRST END |
| MATT | MATERIAL | STEEL COMP 303 HUB |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE SPRING |