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 |
|---|---|
| 82340 | EDO CORPORATION DIV DEFENSE SYSTEMS |
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 |
| SFTT | SURFACE TREATMENT | PASSIVATE HUB |
| CWWK | PRECISION CLASSIFICATION | QUALITY NUMBER 12 |
| SFTT | SURFACE TREATMENT | ANODIZE BODY |
| MATT | MATERIAL | STEEL COMP 302 SPRING |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE SPRING |
| CWRM | FACE NOMINAL WIDTH | 0.125 INCHES |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWCD | NOMINAL OUTSIDE DIAMETER | 3.546 INCHES |
| AJLA | TEETH QUANTITY | 225 |
| SFTT | SURFACE TREATMENT | PASSIVATE SPRING |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4C FED SPEC SINGLE MATERIAL RESPONSE BODY OR QQ-A-225/6B FED SPEC SINGLE MATERIAL RESPONSE BODY |
| BDZQ | BACKLASH DESIGNATION | GRADE D |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 BODY |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END |
| AGJS | PITCH DIAMETER | 3.5156 INCHES NOMINAL |
| CWTR | HUB STYLE DESIGNATOR | PINNED FIRST END |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY |
| CWTX | HUB NOMINAL DIAMETER | 0.563 INCHES FIRST END |
| MATT | MATERIAL | STEEL COMP 303S HUB |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL STD SINGLE MATERIAL RESPONSE HUB |
| CWRS | BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,E300 MIL SPEC SINGLE TREATMENT RESPONSE HUB |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| CWNH | TOOTH FORM | STANDARD |