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Part Number

Part Number:
NSN:
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Item Name:
GEAR , HELICAL

Definition:

A GEAR, CYLINDRICAL IN FORM, WITH TEETH ON THE OUTER SURFACE AT AN ANGLE TO THE AXIS OF THE GEAR. SEE ALSO GEAR, ANTIBACKLASH, HELICAL:

CAGE Information

Code Company
18954 KORODY-COLYER CORP A CR INDUSTRIES C

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
AJLA TEETH QUANTITY 69
AJLA TEETH QUANTITY 69
CWZN BOLT HOLE CIRCLE NOMINAL DIAMETER 5.250 INCHES AXIALLY THROUGH HUB, FIRST END
ABSX ATTACHMENT METHOD MOUNTING HOLE
CWTB COUNTERBORE NOMINAL DEPTH 0.187 INCHES FIRST END
FEAT SPECIAL FEATURES FIGURE O STAMPED ON SIDE OF GEAR FACE ON CENTER LINE OF TOOTH SPACE ON UPPER VERTICAL CENTER LINE
CWZK MOUNTING HOLE NOMINAL DIAMETER 0.500 INCHES AXIALLY THROUGH HUB, FIRST END
CWTG COUNTERBORE NOMINAL DIAMETER 6.251 INCHES FIRST END
CWRM FACE NOMINAL WIDTH 1.250 INCHES
AAQL BODY STYLE WEBBED, OFFSET, SOLID
CWTR HUB STYLE DESIGNATOR PLAIN FIRST END
CWMW TEETH TYPE SINGLE HELIX
CTQY MOUNTING HOLE TYPE AND QUANTITY 4 PLAIN AXIALLY THROUGH HUB, FIRST END AND 4 THREADED AXIALLY THROUGH HUB, FIRST END
CWPZ HELIX ANGLE 25.8167 DEGREES
CWTX HUB NOMINAL DIAMETER 6.750 INCHES FIRST END
CWNM TOOTH DIRECTION LEFT
CQLT MOUNTING HOLE NOMINAL THREAD SIZE 0.375 INCHES AXIALLY THROUGH HUB, FIRST END
STYL STYLE DESIGNATOR PROTRUDING HUB, RECESSED BODY
CWRB BODY RECESS NOMINAL DEPTH 1.000 INCHES SECOND END
CWFR NOMINAL OVERALL LENGTH 1.438 INCHES
MATT MATERIAL STEEL OVERALL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-890,CLASS B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CWPP PRESSURE ANGLE 14.5000 DEGREES
CWRS BORE NOMINAL DIAMETER 4.3750 INCHES BOTH ENDS
CWCD NOMINAL OUTSIDE DIAMETER 8.874 INCHES
AGJS PITCH DIAMETER 8.6250 INCHES NOMINAL
ANTP BORE STYLE PLAIN BOTH ENDS
CMLK MOUNTING HOLE THREAD SERIES DESIGNATOR UNF AXIALLY THROUGH HUB, FIRST END
CQFM HARDNESS RATING 10.0 ROCKWELL C MINIMUM OVERALL AND 13.0 ROCKWELL C MAXIMUM OVERALL
CMLM MOUNTING HOLE THREAD QUANTITY PER INCH 24 AXIALLY THROUGH HUB, FIRST END
CWQL NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.187 INCHES FIRST END
CWNH TOOTH FORM STANDARD

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