5950-01-413-9066 TRANSFORMER,PULSE Index 7930-01-413-9068 POLISH,METAL

National Stock Number:
3040-01-413-9067

Federal Supply Class:
3040

National Item Identification Number:
014139067

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:
845-655657753711NAVAL SEA SYSTEMS COMMAND
845-6603141-12953711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
MATERIALSTEEL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A304 ASSN STD SINGLE MATERIAL RESPONSE
WORM THREAD QUANTITY1
WORM PRESSURE ANGLE IN DEG20.000
WORM THREAD LEAD0.5088 INCHES NOMINAL
WORM THREAD DIRECTIONLEFT-HAND
WORM HELIX ANGLE4 DEG 15 MIN
WORM OUTSIDE DIAMETER2.942 INCHES MINIMUM AND
2.946 INCHES MAXIMUM
WORM PITCH DIAMETER2.505 INCHES NOMINAL
WORM THREAD SECTION LENGTH3.560 INCHES MINIMUM AND
3.600 INCHES MAXIMUM
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
SHAFT LOCATIONBOTH ENDS OF WORM
END SIMILARITYNOT IDENTICAL
STRAIGHT UNTHREADED LENGTH2.624 INCHES NOMINAL FIRST END, FIRST PORTION
1.036 INCHES NOMINAL FIRST END, SECOND PORTION
3.119 INCHES NOMINAL SECOND END, FIRST PORTION
1.707 INCHES NOMINAL SECOND END, SECOND PORTION
1.658 INCHES NOMINAL SECOND END, THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER2.089 INCHES NOMINAL FIRST END, FIRST PORTION
1.574 INCHES NOMINAL FIRST END, SECOND PORTION
2.089 INCHES NOMINAL SECOND END, FIRST PORTION
1.770 INCHES NOMINAL SECOND END, SECOND PORTION
1.563 INCHES NOMINAL SECOND END, THIRD PORTION
KEYWAY WIDTH0.313 INCHES NOMINAL FIRST END, THIRD PORTION
0.313 INCHES NOMINAL SECOND END, FOURTH PORTION
KEYWAY DEPTH0.105 INCHES NOMINAL FIRST END, THIRD PORTION
0.094 INCHES NOMINAL SECOND END, FOURTH PORTION
SCREW THREAD SERIES DESIGNATORUN FIRST END, THIRD PORTION
UN SECOND END, FOURTH PORTION
SHAFT THREAD DIRECTIONRIGHT-HAND FIRST END, THIRD PORTION
RIGHT-HAND SECOND END, FOURTH PORTION
THREAD LENGTH0.710 INCHES NOMINAL FIRST END, THIRD PORTION
0.748 INCHES NOMINAL SECOND END, FOURTH PORTION
OVERALL LENGTH15.200 INCHES NOMINAL
SPECIAL FEATURESSECOND END HAS SECOND KEYWAY,0.375 IN. WIDTH, 0.204 IN. DEPTH


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