1285-00-760-4725 STAY LUG Index 5950-00-760-4728 REACTOR

National Stock Number:
3040-00-760-4727

Federal Supply Class:
3040

National Item Identification Number:
007604727

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:
760472719200US ARMY ARDEC RDECOM
BL9578201714LUCENT TECHNOLOGIES INC ADVANCED TECHNOLOGY SYSTEMS
BL9578264959AMERICAN TELEPHONE AND TELEGRAPH CO


Techincal Specification:
END SIMILARITYNOT IDENTICAL
FSC APPLICATION DATAFIRE CONTROL RADAR EQUIPMENT,EXCEPT AIRBORNE
OVERALL LENGTH1.688 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, CLASS 6, TYPE C FED SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL
SHAFT HARDNESS RATING89.0 ROCKWELL B MINIMUM AND 94.0 ROCKWELL B MAXIMUM
SHAFT LOCATIONONE END OF WORM
WORM BODY LENGTH0.375 INCHES NOMINAL
WORM BODY TAPERED BEARING SURFACE ENDNOT PROVIDED
WORM HELIX ANGLE4 DEG 5 MIN
WORM OUTSIDE DIAMETER0.500 INCHES NOMINAL
WORM PITCH DIAMETER0.4376 INCHES NOMINAL
WORM THREAD DIRECTIONRIGHT-HAND
WORM PRESSURE ANGLE IN DEG14.500
WORM THREAD LEAD0.0982 INCHES NOMINAL
WORM THREAD QUANTITY1
WORM THREAD SECTION LENGTH0.375 INCHES NOMINAL
STRAIGHT UNTHREADED LENGTH0.033 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED LENGTH0.250 INCHES NOMINAL FIRST END, THIRD PORTION
STRAIGHT UNTHREADED LENGTH1.029 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.210 INCHES NOMINAL FIRST END, SECOND PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.250 INCHES NOMINAL FIRST END, FIRST PORTION
STRAIGHT UNTHREADED SECTION DIAMETER0.6255 INCHES NOMINAL FIRST END, THIRD PORTION
SURFACE TREATMENTPASSIVATE
TEETH HARDNESS RATING89.0 ROCKWELL B MINIMUM AND 94.0 ROCKWELL B MAXIMUM


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