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Part Number

Part Number:
NSN:
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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
20418 DRS SUSTAINMENT SYSTEMS INC. DIV DRS

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
AGJS PITCH DIAMETER 1.3335 INCHES NOMINAL
MATT MATERIAL STEEL COMP 302 SPRING
MDCL MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE HUB
CWPP PRESSURE ANGLE 20.0000 DEGREES
AGAV END ITEM IDENTIFICATION E/I AN/APQ170RAD, W/S,9AC-130A,AC-130H,MC-130H,EC-130E,HC-130) AIRCR
STYL STYLE DESIGNATOR PROTRUDING HUB
CWRM FACE NOMINAL WIDTH 0.312 INCHES
CWQL NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.250 INCHES FIRST END
ANTP BORE STYLE PLAIN BETWEEN BODY AND FLANGE
AJLA TEETH QUANTITY 64
CWCD NOMINAL OUTSIDE DIAMETER 1.3750 INCHES
CWRS BORE NOMINAL DIAMETER 0.1248 INCHES FIRST END
MATT MATERIAL STEEL COMP 303 HUB
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE SPRING

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