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 |
|---|---|
| 08783 | RAYTHEON CO |
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 |
|---|---|---|
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.238 INCHES FIRST END |
| CWWC | CLAMPING SURFACE NOMINAL LENGTH | 0.250 INCHES FIRST END |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL |
| CWRS | BORE NOMINAL DIAMETER | 0.241 INCHES BOTH ENDS |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| CWCD | NOMINAL OUTSIDE DIAMETER | 2.281 INCHES |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| AJLA | TEETH QUANTITY | 144 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-268,T4 FED SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-A-355 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| BDZQ | BACKLASH DESIGNATION | GRADE C |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ABSX | ATTACHMENT METHOD | CLAMP |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| CWTR | HUB STYLE DESIGNATOR | SPLIT FIRST END |
| AGJS | PITCH DIAMETER | 2.2500 INCHES NOMINAL |
| CWWK | PRECISION CLASSIFICATION | QUALITY NUMBER 11 |
| CWTX | HUB NOMINAL DIAMETER | 0.312 INCHES FIRST END |
| CWRM | FACE NOMINAL WIDTH | 0.115 INCHES |
| ANTP | BORE STYLE | PLAIN BOTH ENDS |
| CWNH | TOOTH FORM | STANDARD |