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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
80063 US ARMY COMMUNICATIONS & ELECTRONICS

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
CWWK PRECISION CLASSIFICATION QUALITY NUMBER 12
CWCD NOMINAL OUTSIDE DIAMETER 2.530 INCHES
AJLA TEETH QUANTITY 160
CWWC CLAMPING SURFACE NOMINAL LENGTH 0.250 INCHES FIRST END
MATT MATERIAL STEEL COMP 303 OVERALL
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CWPP PRESSURE ANGLE 20.0000 DEGREES
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-764,TYPE 303 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CWRM FACE NOMINAL WIDTH 0.104 INCHES
ABSX ATTACHMENT METHOD CLAMP
STYL STYLE DESIGNATOR PROTRUDING HUB
CWTR HUB STYLE DESIGNATOR SPLIT FIRST END
CWQL NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.281 INCHES FIRST END
AGJS PITCH DIAMETER 2.4993 INCHES MINIMUM AND 2.5000 INCHES MAXIMUM
CWTX HUB NOMINAL DIAMETER 0.312 INCHES FIRST END
ANTP BORE STYLE PLAIN BOTH ENDS
CWRS BORE NOMINAL DIAMETER 0.250 INCHES BOTH ENDS
CWNH TOOTH FORM STANDARD

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