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 |
|---|---|---|
| CFFQ | WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| AAHN | END SIMILARITY | NOT IDENTICAL |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.9375 INCHES NOMINAL SECOND END, THIRD PORTION |
| CFFX | STRAIGHT UNTHREADED LENGTH | 0.350 INCHES NOMINAL FIRST END, FIRST PORTION |
| BYFR | TEETH HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.460 INCHES NOMINAL FIRST END, FIRST PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.4372 INCHES NOMINAL FIRST END, SECOND PORTION |
| CFFX | STRAIGHT UNTHREADED LENGTH | 0.875 INCHES NOMINAL FIRST END, SECOND PORTION |
| CFFK | WORM OUTSIDE DIAMETER | 1.020 INCHES NOMINAL |
| MATL | MATERIAL | STEEL |
| CFFG | WORM HELIX ANGLE | 5 DEG 17 MIN |
| CFFX | STRAIGHT UNTHREADED LENGTH | 1.043 INCHES NOMINAL SECOND END, SIXTH PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.4372 INCHES NOMINAL SECOND END, SIXTH PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.433 INCHES NOMINAL SECOND END, FIFTH PORTION |
| CFFL | WORM PITCH DIAMETER | 0.861 INCHES NOMINAL |
| AJYP | SCREW THREAD SERIES DESIGNATOR | UNF SECOND END, EIGHTH PORTION |
| CFFC | WORM THREAD LEAD | 0.250 INCHES NOMINAL |
| CFFX | STRAIGHT UNTHREADED LENGTH | 0.438 INCHES NOMINAL SECOND END, SECOND PORTION |
| AASA | THREAD LENGTH | 0.290 INCHES NOMINAL SECOND END, EIGHTH PORTION |
| CFFF | WORM PRESSURE ANGLE IN DEG | 29.000 |
| CFFB | WORM THREAD QUANTITY | 1 |
| CFFX | STRAIGHT UNTHREADED LENGTH | 0.290 INCHES NOMINAL SECOND END, SEVENTH PORTION |
| CFFX | STRAIGHT UNTHREADED LENGTH | 0.047 INCHES NOMINAL SECOND END, FIFTH PORTION |
| SURF | SURFACE TREATMENT | PASSIVATED |
| ABHP | OVERALL LENGTH | 6.410 INCHES NOMINAL |
| CFGB | UNTHREADED SECTION KEYWAY DEPTH | 0.0772 INCHES NOMINAL SECOND END, SIXTH PORTION |
| AKAF | SHAFT THREAD DIRECTION | RIGHT-HAND SECOND END, EIGHTH PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.625 INCHES NOMINAL SECOND END, FIRST PORTION |
| CFFN | WORM THREAD SECTION LENGTH | 1.313 INCHES NOMINAL |
| CFFX | STRAIGHT UNTHREADED LENGTH | 0.712 INCHES NOMINAL SECOND END, FIRST PORTION |
| CFFZ | UNTHREADED SECTION KEYWAY WIDTH | 0.1245 INCHES NOMINAL SECOND END, SIXTH PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.312 INCHES NOMINAL SECOND END, SEVENTH PORTION |
| CFFD | WORM THREAD DIRECTION | RIGHT-HAND |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.500 INCHES NOMINAL SECOND END, FOURTH PORTION |
| CFFP | WORM BODY LENGTH | 1.375 INCHES NOMINAL |
| CFFX | STRAIGHT UNTHREADED LENGTH | 0.760 INCHES NOMINAL SECOND END, THIRD PORTION |
| CFFX | STRAIGHT UNTHREADED LENGTH | 0.520 INCHES NOMINAL SECOND END, FOURTH PORTION |
| CFFM | SHAFT HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
| ZZZV | FSC APPLICATION DATA | MOUNT,TELESCOPE,ANTIAIRCRAFT FIRE CONTROL EQUIPMENT |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.450 INCHES NOMINAL SECOND END, SECOND PORTION |
| CFFW | SHAFT LOCATION | BOTH ENDS OF WORM |