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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
36090 LOCKHEED MARTIN LIBRASCOPE CORP

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 ANODIZE OVERALL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CWRS BORE NOMINAL DIAMETER 0.120 INCHES BOTH ENDS
CWTX HUB NOMINAL DIAMETER 0.187 INCHES FIRST END
CWPP PRESSURE ANGLE 20.0000 DEGREES
CWTR HUB STYLE DESIGNATOR PLAIN SECOND END
CWWK PRECISION CLASSIFICATION QUALITY NUMBER 13
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
ABSX ATTACHMENT METHOD CLAMP
CWCD NOMINAL OUTSIDE DIAMETER 0.765 INCHES
CWQL NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.188 INCHES FIRST END
CWTR HUB STYLE DESIGNATOR SPLIT FIRST END
STYL STYLE DESIGNATOR PROTRUDING HUBS
MATT MATERIAL ALUMINUM ALLOY 6061 OVERALL
AGJS PITCH DIAMETER 0.7500 INCHES NOMINAL
CWQL NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.051 INCHES SECOND END
CWTX HUB NOMINAL DIAMETER 0.205 INCHES SECOND END
ANTP BORE STYLE PLAIN BOTH ENDS
AJLA TEETH QUANTITY 90
CWWC CLAMPING SURFACE NOMINAL LENGTH 0.185 INCHES FIRST END
CWRM FACE NOMINAL WIDTH 0.094 INCHES
CWNH TOOTH FORM STANDARD

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