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 |
|---|---|
| 53711 | NAVAL SEA SYSTEMS COMMAND |
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 |
| CFFN | WORM THREAD SECTION LENGTH | 1.625 INCHES NOMINAL |
| AAHN | END SIMILARITY | NOT IDENTICAL |
| ABND | TAPER LENGTH | 0.073 INCHES NOMINAL FIRST END, SECOND PORTION |
| CFFX | STRAIGHT UNTHREADED LENGTH | 0.060 INCHES NOMINAL FIRST END, FIRST PORTION |
| CFFZ | UNTHREADED SECTION KEYWAY WIDTH | 0.1260 INCHES NOMINAL SECOND END, FIFTH PORTION |
| CFGD | TAPER LARGEST DIAMETER | 0.910 INCHES NOMINAL FIRST END, SECOND PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.750 INCHES NOMINAL FIRST END, FIRST PORTION |
| CFFG | WORM HELIX ANGLE | 5 DEG 11 MIN 20 SEC |
| CFFF | WORM PRESSURE ANGLE IN DEG | 20.000 |
| ABND | TAPER LENGTH | 0.073 INCHES NOMINAL SECOND END, SECOND PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.422 INCHES NOMINAL SECOND END, FIFTH PORTION |
| MATL | MATERIAL | STEEL |
| CFFX | STRAIGHT UNTHREADED LENGTH | 0.060 INCHES NOMINAL SECOND END, FIRST PORTION |
| CFGD | TAPER LARGEST DIAMETER | 0.910 INCHES NOMINAL SECOND END, SECOND PORTION |
| CFFX | STRAIGHT UNTHREADED LENGTH | 0.620 INCHES NOMINAL FIRST END, THIRD PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.750 INCHES NOMINAL SECOND END, FIRST PORTION |
| CFFB | WORM THREAD QUANTITY | 1 |
| CFFX | STRAIGHT UNTHREADED LENGTH | 0.580 INCHES NOMINAL SECOND END, THIRD PORTION |
| CFFK | WORM OUTSIDE DIAMETER | 1.200 INCHES NOMINAL |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.6887 INCHES NOMINAL FIRST END, THIRD PORTION |
| CFFX | STRAIGHT UNTHREADED LENGTH | 1.590 INCHES NOMINAL SECOND END, FIFTH PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.625 INCHES NOMINAL SECOND END, FOURTH PORTION |
| AGAV | END ITEM IDENTIFICATION | SEAWOLF CLASS SSN |
| CFGB | UNTHREADED SECTION KEYWAY DEPTH | 0.078 INCHES NOMINAL SECOND END, FIFTH PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.6887 INCHES NOMINAL SECOND END, THIRD PORTION |
| CFFL | WORM PITCH DIAMETER | 1.000 INCHES NOMINAL |
| CFFC | WORM THREAD LEAD | 0.3142 INCHES NOMINAL |
| CFFX | STRAIGHT UNTHREADED LENGTH | 0.510 INCHES NOMINAL SECOND END, FOURTH PORTION |
| CFFD | WORM THREAD DIRECTION | RIGHT-HAND |
| ABHP | OVERALL LENGTH | 5.750 INCHES NOMINAL |
| CFFP | WORM BODY LENGTH | 1.625 INCHES NOMINAL |
| CFFW | SHAFT LOCATION | BOTH ENDS OF WORM |