3040-01-505-0529, WORM SHAFT

2930-01-505-0530 PUMP,COOLING SYSTEM,ENGINE

National Stock Number:
3040-01-505-0529

Federal Supply Class:
3040

National Item Identification Number:
015050529

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:

596-7410251-9	53711	NAVAL SEA SYSTEMS COMMAND
7410251	53711	NAVAL SEA SYSTEMS COMMAND
7410251-9	53711	NAVAL SEA SYSTEMS COMMAND
B831-9521-9	96169	ELECTRIC BOAT CORPORATION

Techincal Specification:

OVERALL LENGTH	21.070 INCHES NOMINAL
MATERIAL	COPPER ALLOY
SECTION SHAPE	SQUARE FIRST END, FIRST PORTION
SHAFT LOCATION	ONE END OF WORM
SPECIAL FEATURES	PART NAME BY CONTROLLING AGENCY: WORM SHAFT, ACME THREAD. NOTE: COAT ACME THREADS ON SHAFT WITH TERMALENE A-A-50433, PRIOR TO ASSEMBLY.
STRAIGHT UNTHREADED LENGTH	1.500 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH	2.125 INCHES NOMINAL SECOND END, FIRST PORTION
STRAIGHT UNTHREADED LENGTH	4.195 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	0.748 INCHES MINIMUM AND 0.750 INCHES MAXIMUM SECOND END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	1.000 INCHES NOMINAL FIRST END, FOURTH PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	1.000 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	1.055 INCHES MINIMUM AND 1.059 INCHES MAXIMUM FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER	1.450 INCHES NOMINAL FIRST END, THIRD PORTION
STRAIGHT UNTHREADED LENGTH	0.250 INCHES NOMINAL FIRST END, THIRD PORTION
STRAIGHT UNTHREADED LENGTH	0.330 INCHES NOMINAL FIRST END, FOURTH PORTION
WORM BODY LENGTH	21.070 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE END	NOT PROVIDED
WORM HELIX ANGLE	2.4302 DEG
WORM OUTSIDE DIAMETER	1.2417 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM
WORM PITCH DIAMETER	1.1338 INCHES MINIMUM AND 1.1578 INCHES MAXIMUM
WORM PRESSURE ANGLE IN DEG	14.500
WORM THREAD DIRECTION	RIGHT-HAND
WORM THREAD LEAD	0.166 INCHES NOMINAL
WORM THREAD QUANTITY	76
WORM THREAD SECTION LENGTH	12.670 INCHES NOMINAL

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