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 |
|---|---|
| 00141 | PRECISION INDUSTRIAL COMPONENTS LLC |
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 |
| CWWK | PRECISION CLASSIFICATION | QUALITY NUMBER 12 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 FIRST GEAR |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 SECOND GEAR |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35, TYPE II FED SPEC SINGLE TREATMENT RESPONSE HUB |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE HUB |
| CWRS | BORE NOMINAL DIAMETER | 0.249 INCHES BOTH ENDS |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.239 INCHES SECOND END |
| CWRM | FACE NOMINAL WIDTH | 0.188 INCHES |
| AJLA | TEETH QUANTITY | 72 |
| CWWC | CLAMPING SURFACE NOMINAL LENGTH | 0.239 INCHES SECOND END |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| SFTT | SURFACE TREATMENT | ANODIZE FIRST GEAR |
| CWTR | HUB STYLE DESIGNATOR | SPLIT SECOND END |
| FEAT | SPECIAL FEATURES | ONE PRELOAD INDICATION HOLE 0.0625 IN. DIA LOCATED AXIALLY THROUGH GEAR BODY BOTH GEARS |
| CWCD | NOMINAL OUTSIDE DIAMETER | 2.312 INCHES |
| AGJS | PITCH DIAMETER | 2.2500 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 303 SPRING |
| CWTX | HUB NOMINAL DIAMETER | 0.312 INCHES SECOND END |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625, TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE SECOND GEAR |
| SFTT | SURFACE TREATMENT | ANODIZE SECOND GEAR |
| MATT | MATERIAL | STEEL COMP 303 HUB |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625, TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE FIRST GEAR |