5305-01-508-6580 SCREW,MACHINE Index 5340-01-508-6582 CLAMP,LOOP

National Stock Number:
3040-01-508-6581

Federal Supply Class:
3040

National Item Identification Number:
015086581

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:
596-7409253-2453711NAVAL SEA SYSTEMS COMMAND
596-7410365-7953711NAVAL SEA SYSTEMS COMMAND
740925353711NAVAL SEA SYSTEMS COMMAND
741036553711NAVAL SEA SYSTEMS COMMAND
B434-8205-7996169ELECTRIC BOAT CORPORATION
B434-8212-2496169ELECTRIC BOAT CORPORATION


Techincal Specification:
OVERALL LENGTH36.125 INCHES NOMINAL
MATERIALNICKEL ALLOY
SHAFT LOCATIONONE END OF WORM
SHAFT THREAD DIRECTIONLEFT-HAND SECOND END, SECOND PORTION
SPECIAL FEATURESPART NAME BY CONTROLLING AGENCY: SCREW, POWER LH. FIRST END, EIGHTH PORTION, TWO PARALLEL FLATS 2.50 ACROSS. ACME THREAD AREA 18.00 FROM FIRST END HAS 1.88 HOLE DRILLED THUR. NOTE: REFERENCING DRAWING 596-7410365-79 WILL SHOW, SCREW POWER LH, P/N B434-8212-23. FOR CORRECTION TO DRAWING REFER TO (ER) ENGINEERING REPORT ERMF02198 INDICATING DRAWING 596-7410365-79 IS NOW, SCREW POWER RH, P/N B434-8212-24.
WORM BODY LENGTH36.125 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE ENDPROVIDED
WORM HELIX ANGLE14.03624 DEG
WORM OUTSIDE DIAMETER2.000 INCHES NOMINAL
WORM PRESSURE ANGLE IN DEG14.500
WORM THREAD DIRECTIONRIGHT-HAND
WORM THREAD LEAD0.500 INCHES NOMINAL
WORM THREAD QUANTITY4
STRAIGHT UNTHREADED LENGTH0.180 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.250 INCHES NOMINAL FIRST END, FIFTH PORTION
STRAIGHT UNTHREADED LENGTH0.500 INCHES NOMINAL FIRST END, SEVENTH PORTION
STRAIGHT UNTHREADED LENGTH0.750 INCHES NOMINAL FIRST END, NINTH PORTION
STRAIGHT UNTHREADED LENGTH0.880 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH1.000 INCHES NOMINAL FIRST END, EIGHTH PORTION
STRAIGHT UNTHREADED LENGTH1.060 INCHES NOMINAL FIRST END, FOURTH PORTION
STRAIGHT UNTHREADED LENGTH1.060 INCHES NOMINAL FIRST END, SIXTH PORTION
STRAIGHT UNTHREADED LENGTH2.000 INCHES NOMINAL SECOND END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH2.640 INCHES NOMINAL FIRST END, THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.623 INCHES MINIMUM AND 1.624 INCHES MAXIMUM SECOND END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.700 INCHES NOMINAL FIRST END, NINTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.967 INCHES NOMINAL FIRST END, THIRD PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.850 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER1.967 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER3.000 INCHES MINIMUM AND 3.001 INCHES MAXIMUM FIRST END, FOURTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER3.000 INCHES MINIMUM AND 3.001 INCHES MAXIMUM FIRST END, SIXTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER3.000 INCHES NOMINAL FIRST END, EIGHTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER2.750 INCHES NOMINAL FIRST END, FIFTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER4.125 INCHES NOMINAL FIRST END, SEVENTH PORTION
TAPERED BEARING SURFACE LARGEST DIAMETER2.000 INCHES NOMINAL
TAPERED BEARING SURFACE LENGTH0.120 INCHES NOMINAL
TAPERED BEARING SURFACE SMALLEST DIAMETER1.760 INCHES NOMINAL
UNTHREADED SECTION KEYWAY DEPTH0.500 INCHES MINIMUM AND 0.502 INCHES MAXIMUM FIRST END, THIRD PORTION
UNTHREADED SECTION KEYWAY WIDTH0.2490 INCHES MINIMUM AND 0.2650 INCHES MAXIMUM FIRST END, THIRD PORTION
UNTHREADED SECTION PIN HOLE DIAMETER0.1880 INCHES NOMINAL FIRST END, FIFTH PORTION


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