2930-00-328-8857 BRACKET GENERATOR S Index 5306-00-328-8866 BOLT,HOOK

National Stock Number:
3040-00-328-8862

Federal Supply Class:
3040

National Item Identification Number:
003288862

Description:
WORM SHAFT

Detail:
A DRIVE SHAFT HAVING HELICAL THREAD(S) ON A PORTION OF ITS OUTER SURFACE, MACHINED BEARING SURFACE(S) AND FACILITIES FOR DRIVING (OTHER THAN A HUB) ON ONE OR BOTH ENDS OF SHAFT. DESIGNED TO MATE WITH A CAM, GEAR SECTOR, WORM WHEEL, ETC. INCLUDES ITEMS WITH BEARINGS. EXCLUDES ITEMS HAVING MORE THAN ONE WORM COMPLEMENT OF HELICAL THREADS, ITEMS WITH A SEPARATE COMPLEMENT OF GEAR TEETH, AND GEAR, WORM.


Manufacturer Information:
12Y450961465GARWOOD/FELLER INC GARWOOD WINCH DIV
795456219207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
M30579161465GARWOOD/FELLER INC GARWOOD WINCH DIV


Techincal Specification:
CONCAVE WORM THROAT CURVATURE RADIUS1.541 INCHES NOMINAL
CONCAVE WORM THROAT DIAMETER12.227 INCHES NOMINAL
END SIMILARITYIDENTICAL
FSC APPLICATION DATAWINCH,DRUM
OVERALL LENGTH23.000 INCHES NOMINAL
MATERIALSTEEL
SHAFT LOCATIONBOTH ENDS OF WORM
SHAFT HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
SPECIAL FEATURESDRILLED AND THD HOLE IN KEYWAY END OF SHAFT 1-1/8 IN. LG DRILLED HOLE 1/2-20 NF THD SIZE TO 7/8 IN. DEEPG25 MICROINCH RMS SHAFT CENTER,60 MICROINCH RMSSHAFT OUTER ENDS,160 MICROINCH
STRAIGHT UNTHREADED LENGTH1.375 INCHES NOMINAL BOTH ENDS, FIRST PORTION
STRAIGHT UNTHREADED LENGTH1.8906 INCHES NOMINAL BOTH ENDS, SECOND PORTION
STRAIGHT UNTHREADED LENGTH2.250 INCHES NOMINAL BOTH ENDS, THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.750 INCHES MAXIMUM BOTH ENDS, THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.748 INCHES MINIMUM BOTH ENDS, THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER2.124 INCHES MINIMUM BOTH ENDS, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER2.126 INCHES MAXIMUM BOTH ENDS, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER2.3615 INCHES MINIMUM BOTH ENDS, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER2.3625 INCHES MAXIMUM BOTH ENDS, FIRST PORTION
WORM BODY LENGTH11.962 INCHES MINIMUM AND 11.977 INCHES MAXIMUM
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
WORM HELIX ANGLE5 DEG 40 MIN
WORM OUTSIDE DIAMETER4.616 INCHES MINIMUM AND 4.618 INCHES MAXIMUM
WORM PRESSURE ANGLE IN DEG27.500
WORM PITCH DIAMETER3.850 INCHES NOMINAL
WORM THREAD DIRECTIONRIGHT-HAND
WORM THREAD LEAD1.200 INCHES NOMINAL
WORM THREAD QUANTITY1
WORM THREAD SECTION LENGTH3.750 INCHES NOMINAL
TEETH HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
UNTHREADED SECTION KEYWAY DEPTH0.249 INCHES NOMINAL FIRST END
UNTHREADED SECTION KEYWAY WIDTH0.4360 INCHES NOMINAL FIRST END
UNTHREADED SECTION PIN HOLE DIAMETER0.6240 INCHES NOMINAL FIRST END


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