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 |
|---|---|
| 5Z509 | ABB T AND D POWER CO INC |
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 |
|---|---|---|
| CWWK | PRECISION CLASSIFICATION | QUALITY NUMBER 12 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5520 ASSN STD 2ND MATERIAL RESPONSE RETAINING RING |
| MATT | MATERIAL | STEEL COMP 302 SPRING |
| CWTX | HUB NOMINAL DIAMETER | 0.3120 INCHES SECOND END |
| AGJS | PITCH DIAMETER | 6.0000 INCHES NOMINAL |
| MATT | MATERIAL | STEEL CORROSION RESISTING SECOND GEAR |
| AGAV | END ITEM IDENTIFICATION | JOINT STARS PROGRAM |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.3500 INCHES SECOND END |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| SFTT | SURFACE TREATMENT | PASSIVATE RETAINING RING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL SPEC 4TH MATERIAL RESPONSE SPRING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643N ASSN STD 1ST MATERIAL RESPONSE FIRST GEAR |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 TYPE 1 FED SPEC 1ST TREATMENT RESPONSE SPRING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643N ASSN STD 3RD MATERIAL RESPONSE SECOND GEAR |
| CQFM | HARDNESS RATING | 63.0 ROCKWELL SUPERFICIAL 30-N MINIMUM RETAINING RING AND 69.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM RETAINING RING |
| SFTT | SURFACE TREATMENT | PASSIVATE SPRING |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| CWRM | FACE NOMINAL WIDTH | 0.1650 INCHES |
| CQFM | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM FIRST GEAR AND 40.0 ROCKWELL C MAXIMUM FIRST GEAR |
| CWTR | HUB STYLE DESIGNATOR | SPLIT SECOND END |
| CWRS | BORE NOMINAL DIAMETER | 0.2497 INCHES BOTH ENDS |
| CQFM | HARDNESS RATING | 35.0 ROCKWELL C MINIMUM SECOND GEAR AND 40.0 ROCKWELL C MAXIMUM SECOND GEAR |
| MATT | MATERIAL | STEEL CORROSION RESISTING FIRST GEAR |
| MATT | MATERIAL | STEEL RETAINING RING |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| AJLA | TEETH QUANTITY | 288 |
| CWWC | CLAMPING SURFACE NOMINAL LENGTH | 0.2480 INCHES SECOND END |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC 2ND TREATMENT RESPONSE RETAINING RING |
| CWCD | NOMINAL OUTSIDE DIAMETER | 6.0417 INCHES |
| CWNH | TOOTH FORM | STANDARD |