3040-01-500-2655, WORM SHAFT

National Stock Number:
3040-01-500-2655

Federal Supply Class:
3040

National Item Identification Number:
015002655

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:

752-7068459	53711	NAVAL SEA SYSTEMS COMMAND
752-7068459-2	53711	NAVAL SEA SYSTEMS COMMAND
H832-1633-2	96169	ELECTRIC BOAT CORPORATION

Techincal Specification:

WORM OUTSIDE DIAMETER	1.000 INCHES NOMINAL
WORM PITCH DIAMETER	0.880 INCHES NOMINAL
WORM THREAD SECTION LENGTH	6.000 INCHES NOMINAL
WORM BODY LENGTH	6.670 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE END	NOT PROVIDED
SHAFT LOCATION	BOTH ENDS OF WORM
END SIMILARITY	NOT IDENTICAL
STRAIGHT UNTHREADED LENGTH	2.060 INCHES NOMINAL FIRST END
STRAIGHT UNTHREADED SECTION DIAMETER	2.100 INCHES NOMINAL FIRST END
UNTHREADED SECTION KEYWAY WIDTH	0.1900 INCHES NOMINAL FIRST END
UNTHREADED SECTION KEYWAY DEPTH	0.112 INCHES NOMINAL FIRST END
OVERALL LENGTH	8.310 INCHES NOMINAL
SPECIAL FEATURES	SHAFT THREAD DESIGNATION: 1.000-5 ACME-2G; "SCREW, DRIVE" IS USED ON THE A7 HOUSING ASSEMBLY; NEXT HIGHER ASSEMBLY: WEAPONS HANDLING HOIST PLATFORM ASSEMBLY
MATERIAL	ALUMINUM ALLOY
WORM THREAD QUANTITY	1
WORM THREAD DIRECTION	RIGHT-HAND

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