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Part Number

Part Number:
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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
55380 HATCH & KIRK INC.

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
CQFM HARDNESS RATING 10.0 ROCKWELL C MINIMUM OVERALL AND 20.0 ROCKWELL C MAXIMUM OVERALL
CQFM HARDNESS RATING 10.0 ROCKWELL C MINIMUM OVERALL AND 20.0 ROCKWELL C MAXIMUM OVERALL
CWXB FIRST STEP NOMINAL DIAMETER 4.125 INCHES BOTH ENDS
CWRS BORE NOMINAL DIAMETER 2.0000 INCHES BOTH ENDS
AGJS PITCH DIAMETER 10.8000 INCHES NOMINAL
CWTR HUB STYLE DESIGNATOR 1 STEP BOTH ENDS
CWMW TEETH TYPE SINGLE HELIX
CWPP PRESSURE ANGLE 20.0000 DEGREES
CWRM FACE NOMINAL WIDTH 2.000 INCHES
CWCD NOMINAL OUTSIDE DIAMETER 11.084 INCHES
CWWH END NOMINAL LENGTH 1.375 INCHES BOTH ENDS
CWWN END NOMINAL DIAMETER 2.997 INCHES BOTH ENDS
AAQL BODY STYLE WEBBED, WITH LIGHTENING HOLES
CWNM TOOTH DIRECTION LEFT
MATT MATERIAL STEEL OVERALL
CWQL NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END 0.688 INCHES BOTH ENDS
AJLA TEETH QUANTITY 54
STYL STYLE DESIGNATOR PROTRUDING HUBS
MDCL MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-890,CLASS B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CWWS FIRST STEP NOMINAL LENGTH 0.063 INCHES BOTH ENDS
FEAT SPECIAL FEATURES TWO COUNTERWEIGHTS,BOLTS,NUTS,OIL HOLES IN HUB,FIG 1 STAMPED BETWEEN TEETH ON SIDE OF GEAR 170 DEG 57 MIN CCW FROM UPPER CENTER LINE,FIG 4 STAMPED BETWEEN TEETH ON SIDE @OF GEAR 73 DEG @20 MIN CCW FROM FIG 1
ANTP BORE STYLE PLAIN BOTH ENDS
CWPZ HELIX ANGLE 27.3217 DEGREES
CWNH TOOTH FORM STANDARD

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