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 |
---|---|
29440 | W. M. BERG 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 |
---|---|---|
SFTT | SURFACE TREATMENT | PASSIVATE HUB |
CWWC | CLAMPING SURFACE NOMINAL LENGTH | 0.250 INCHES FIRST END |
MATT | MATERIAL | ALUMINUM ALLOY 2024 FIRST GEAR |
MATT | MATERIAL | ALUMINUM ALLOY 2024 SECOND GEAR |
AJLA | TEETH QUANTITY | 120 |
AGJS | PITCH DIAMETER | 2.5000 INCHES NOMINAL |
CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
CWCD | NOMINAL OUTSIDE DIAMETER | 2.5417 INCHES |
CWRM | FACE NOMINAL WIDTH | 0.104 INCHES |
ABSX | ATTACHMENT METHOD | CLAMP |
STYL | STYLE DESIGNATOR | PROTRUDING HUB |
MATT | MATERIAL | STEEL CORROSION RESISTING SPRING |
MATT | MATERIAL | STEEL COMP 303SE 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 | SAE AA2024 ASSN STD SINGLE MATERIAL RESPONSE FIRST GEAR |
CWTX | HUB NOMINAL DIAMETER | 0.313 INCHES FIRST END |
ANTP | BORE STYLE | PLAIN BOTH ENDS |
SFTT | SURFACE TREATMENT | ANODIZE SECOND GEAR |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE HUB |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE AA2024 ASSN STD SINGLE MATERIAL RESPONSE SECOND GEAR |
CWRS | BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |
CWNH | TOOTH FORM | STANDARD |