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 |
|---|---|
| 00328 | DESIGNATRONICS INCORPORATED DBA STER |
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 |
| AJLA | TEETH QUANTITY | 119 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE HUB |
| CWWC | CLAMPING SURFACE NOMINAL LENGTH | 0.250 INCHES FIRST END |
| MATT | MATERIAL | STEEL COMP 302 SPRING |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 FIRST GEAR |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 SECOND GEAR |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE FIRST GEAR |
| CWTX | HUB NOMINAL DIAMETER | 0.187 INCHES FIRST END |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWRM | FACE NOMINAL WIDTH | 0.104 INCHES |
| ABSX | ATTACHMENT METHOD | CLAMP |
| SFTT | SURFACE TREATMENT | PASSIVATE SPRING |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| CWTR | HUB STYLE DESIGNATOR | SPLIT FIRST END |
| SFTT | SURFACE TREATMENT | ANODIZE FIRST GEAR |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.281 INCHES FIRST END |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE SECOND GEAR |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| SFTT | SURFACE TREATMENT | ANODIZE SECOND GEAR |
| CWRS | BORE NOMINAL DIAMETER | 0.125 INCHES BOTH ENDS |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR |
| AGJS | PITCH DIAMETER | 1.6527 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 303 HUB |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A-484 ASSN STD SINGLE MATERIAL RESPONSE HUB AND ASTM-A-582 ASSN STD SINGLE MATERIAL RESPONSE HUB |
| CWWK | PRECISION CLASSIFICATION | QUALITY NUMBER 10 |
| CWCD | NOMINAL OUTSIDE DIAMETER | 1.680 INCHES |