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 |
---|---|
19200 | U S ARMY ARMAMENT RESEARCH & DEVELOP |
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 | 0.340 INCHES MAXIMUM FIRST END, FIRST PORTION |
CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.340 INCHES MAXIMUM FIRST END, FIRST PORTION |
CFFQ | WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
CFFP | WORM BODY LENGTH | 2.251 INCHES NOMINAL |
AAHN | END SIMILARITY | NOT IDENTICAL |
CFFF | WORM PRESSURE ANGLE IN DEG | 14.500 |
FEAT | SPECIAL FEATURES | 2 PIN HOLES 0.078 IN. DIA,LOCATED ON FOURTH PORTION OF SECOND END |
CFFX | STRAIGHT UNTHREADED LENGTH | 0.669 INCHES NOMINAL FIRST END, SECOND PORTION |
CFFX | STRAIGHT UNTHREADED LENGTH | 0.781 INCHES NOMINAL FIRST END, FIRST PORTION |
MATL | MATERIAL | STEEL |
CFFL | WORM PITCH DIAMETER | 0.560 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
CFFN | WORM THREAD SECTION LENGTH | 0.680 INCHES MINIMUM AND 0.690 INCHES MAXIMUM |
CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.311 INCHES MINIMUM FIRST END, SECOND PORTION |
CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.330 INCHES MINIMUM FIRST END, FIRST PORTION |
BYFR | TEETH HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.315 INCHES NOMINAL SECOND END, SECOND PORTION |
CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.312 INCHES MAXIMUM FIRST END, SECOND PORTION |
CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.400 INCHES MINIMUM SECOND END, FIRST PORTION |
ZZZV | FSC APPLICATION DATA | TELESCOPE,PANORAMIC |
CFFB | WORM THREAD QUANTITY | 1 |
CFFG | WORM HELIX ANGLE | 3 DEG 10 MIN |
CFFX | STRAIGHT UNTHREADED LENGTH | 1.980 INCHES NOMINAL SECOND END, FOURTH PORTION |
CFFX | STRAIGHT UNTHREADED LENGTH | 0.790 INCHES MAXIMUM SECOND END, FIRST PORTION |
CFFD | WORM THREAD DIRECTION | LEFT-HAND |
AJYP | SCREW THREAD SERIES DESIGNATOR | UNF BOTH ENDS |
CFFX | STRAIGHT UNTHREADED LENGTH | 0.250 INCHES MINIMUM SECOND END, SECOND PORTION |
AASA | THREAD LENGTH | 0.170 INCHES NOMINAL SECOND END, THIRD PORTION |
CFFC | WORM THREAD LEAD | 0.098 INCHES NOMINAL |
CFFX | STRAIGHT UNTHREADED LENGTH | 0.260 INCHES MAXIMUM SECOND END, SECOND PORTION |
CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.410 INCHES MAXIMUM SECOND END, FIRST PORTION |
ABHP | OVERALL LENGTH | 5.320 INCHES MINIMUM AND 5.330 INCHES MAXIMUM |
AKAF | SHAFT THREAD DIRECTION | RIGHT-HAND SECOND END, THIRD PORTION |
CFFM | SHAFT HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
CFFW | SHAFT LOCATION | BOTH ENDS OF WORM |
CFFK | WORM OUTSIDE DIAMETER | 0.620 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |