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Part Number

Part Number:
NSN:
NIIN:
Item Name:
WORM SHAFT

Definition:

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.

CAGE Information

Code Company
24446 GENERAL ELECTRIC CO

Federal Supply Class

Title

MISCELLANEOUS POWER TRANSMISSION

Inclusions:

INCLUDES SHAFTS AND SHAFTING; COLLARS; GEARSHAFTS; BALL JOINTS; ACTUATING CYLINDERS.

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CFFY STRAIGHT UNTHREADED SECTION DIAMETER 1.306 INCHES MINIMUM FIRST END, SECOND PORTION
CFFQ WORM BODY TAPERED BEARING SURFACE END NOT PROVIDED
AAHN END SIMILARITY NOT IDENTICAL
CFFL WORM PITCH DIAMETER 2.010 INCHES NOMINAL
CFFY STRAIGHT UNTHREADED SECTION DIAMETER 1.314 INCHES MAXIMUM FIRST END, SECOND PORTION
CFFX STRAIGHT UNTHREADED LENGTH 0.828 INCHES NOMINAL FIRST END, FIRST PORTION
CFFZ UNTHREADED SECTION KEYWAY WIDTH 0.3700 INCHES MINIMUM SECOND END, FIFTH PORTION
CFFX STRAIGHT UNTHREADED LENGTH 0.924 INCHES MINIMUM FIRST END, THIRD PORTION
CFFX STRAIGHT UNTHREADED LENGTH 0.068 INCHES MINIMUM SECOND END, THIRD PORTION
ABHP OVERALL LENGTH 18.500 INCHES NOMINAL
CFFY STRAIGHT UNTHREADED SECTION DIAMETER 1.3781 INCHES MINIMUM FIRST END, FIRST PORTION
CFFX STRAIGHT UNTHREADED LENGTH 0.250 INCHES NOMINAL SECOND END, FIRST PORTION
CFFY STRAIGHT UNTHREADED SECTION DIAMETER 1.5753 INCHES MAXIMUM SECOND END, FOURTH PORTION
CFFY STRAIGHT UNTHREADED SECTION DIAMETER 1.4995 INCHES MINIMUM SECOND END, FIFTH PORTION
CFFF WORM PRESSURE ANGLE IN DEG 25.000
CFFX STRAIGHT UNTHREADED LENGTH 0.072 INCHES MAXIMUM SECOND END, THIRD PORTION
CFFY STRAIGHT UNTHREADED SECTION DIAMETER 1.5000 INCHES MAXIMUM SECOND END, FIFTH PORTION
CFFY STRAIGHT UNTHREADED SECTION DIAMETER 1.5753 INCHES MAXIMUM SECOND END, SECOND PORTION
CFFZ UNTHREADED SECTION KEYWAY WIDTH 0.3720 INCHES MAXIMUM SECOND END, FIFTH PORTION
BYFR TEETH HARDNESS RATING 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM
CFFX STRAIGHT UNTHREADED LENGTH 0.928 INCHES MAXIMUM FIRST END, THIRD PORTION
CFFX STRAIGHT UNTHREADED LENGTH 1.437 INCHES MINIMUM SECOND END, SECOND PORTION
CFFY STRAIGHT UNTHREADED SECTION DIAMETER 1.3785 INCHES MAXIMUM FIRST END, FIRST PORTION
CFFK WORM OUTSIDE DIAMETER 2.312 INCHES MINIMUM AND 2.314 INCHES MAXIMUM
ZZZV FSC APPLICATION DATA STEAM TURBINE
MATL MATERIAL STEEL,B50AM400-J,GENERAL ELECTRIC CO
CFFY STRAIGHT UNTHREADED SECTION DIAMETER 1.485 INCHES MINIMUM SECOND END, THIRD PORTION
CFFM SHAFT HARDNESS RATING 39.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM
CFFB WORM THREAD QUANTITY 3
CFFC WORM THREAD LEAD 1.800 INCHES NOMINAL
CFFY STRAIGHT UNTHREADED SECTION DIAMETER 1.5749 INCHES MINIMUM SECOND END, FOURTH PORTION
CFFY STRAIGHT UNTHREADED SECTION DIAMETER 1.495 INCHES MAXIMUM SECOND END, THIRD PORTION
CFFX STRAIGHT UNTHREADED LENGTH 0.056 INCHES MINIMUM FIRST END, SECOND PORTION
CFFY STRAIGHT UNTHREADED SECTION DIAMETER 1.5749 INCHES MINIMUM SECOND END, SECOND PORTION
CFFG WORM HELIX ANGLE 15 DEG 54 MIN 37.46 SEC
CFFD WORM THREAD DIRECTION RIGHT-HAND
CFFY STRAIGHT UNTHREADED SECTION DIAMETER 2.000 INCHES NOMINAL SECOND END, FIRST PORTION
CFFP WORM BODY LENGTH 9.062 INCHES NOMINAL
CFFN WORM THREAD SECTION LENGTH 6.500 INCHES NOMINAL
CFFX STRAIGHT UNTHREADED LENGTH 0.060 INCHES MAXIMUM FIRST END, SECOND PORTION
CFFX STRAIGHT UNTHREADED LENGTH 0.240 INCHES NOMINAL SECOND END, FOURTH PORTION
CFFX STRAIGHT UNTHREADED LENGTH 1.438 INCHES MAXIMUM SECOND END, SECOND PORTION
CFGB UNTHREADED SECTION KEYWAY DEPTH 0.1875 INCHES NOMINAL SECOND END, FIFTH PORTION
CFFW SHAFT LOCATION BOTH ENDS OF WORM
CFFX STRAIGHT UNTHREADED LENGTH 6.250 INCHES NOMINAL SECOND END, FIFTH PORTION

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