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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
SFTT SURFACE TREATMENT PASSIVATE HUB
CWNH TOOTH FORM STUB
CWTR HUB STYLE DESIGNATOR PLAIN FIRST END
CWTX HUB NOMINAL DIAMETER 0.187 INCHES FIRST END
CWPP PRESSURE ANGLE 20.0000 DEGREES
AJLA TEETH QUANTITY 144
CWRM FACE NOMINAL WIDTH 0.104 INCHES
ABSX ATTACHMENT METHOD CLAMP
STYL STYLE DESIGNATOR PROTRUDING HUB
CWQL NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.221 INCHES FIRST END
CWCD NOMINAL OUTSIDE DIAMETER 1.521 INCHES
ANTP BORE STYLE PLAIN BOTH ENDS
CWRS BORE NOMINAL DIAMETER 0.125 INCHES BOTH ENDS
MATT MATERIAL STEEL COMP 303 HUB
MATT MATERIAL ALUMINUM ALLOY 2024 TEETH
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE HUB
AGJS PITCH DIAMETER 1.4990 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM
SFTT SURFACE TREATMENT ANODIZE TEETH

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