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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
12444 DESIGNATRONICS INC PERFECT GEAR AND

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 ANODIZE BODY
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE HUB
AJLA TEETH QUANTITY 80
AGJS PITCH DIAMETER 1.6667 INCHES NOMINAL
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-STD-171,FINISH NO. 5.4.1 MIL SPEC SINGLE TREATMENT RESPONSE HUB
CWPP PRESSURE ANGLE 20.0000 DEGREES
CWRM FACE NOMINAL WIDTH 0.104 INCHES
CWTX HUB NOMINAL DIAMETER 0.188 INCHES FIRST END
ABSX ATTACHMENT METHOD CLAMP
STYL STYLE DESIGNATOR PROTRUDING HUB
MATT MATERIAL ALUMINUM ALLOY 2024 BODY
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY OR QQ-A-25/4,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
CWCD NOMINAL OUTSIDE DIAMETER 1.7080 INCHES
CWTR HUB STYLE DESIGNATOR SPLIT FIRST END
CWQL NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.281 INCHES FIRST END
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE BODY
MATT MATERIAL STEEL HUB
ANTP BORE STYLE PLAIN BOTH ENDS
CWRS BORE NOMINAL DIAMETER 0.125 INCHES BOTH ENDS
CWWK PRECISION CLASSIFICATION QUALITY NUMBER 10
CWNH TOOTH FORM STANDARD

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