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 |
|---|---|
| 15330 | IMO INDUSTRIES INC DELROYD WORM GEAR |
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 |
|---|---|---|
| CFFX | STRAIGHT UNTHREADED LENGTH | 1.625 INCHES NOMINAL EITHER END, FOURTH PORTION |
| CFFQ | WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| CFFK | WORM OUTSIDE DIAMETER | 3.008 INCHES NOMINAL |
| CFFG | WORM HELIX ANGLE | 37 DEG 34 MIN. |
| AAHN | END SIMILARITY | NOT IDENTICAL |
| CFFX | STRAIGHT UNTHREADED LENGTH | 1.625 INCHES NOMINAL EITHER END, SECOND PORTION |
| CFFP | WORM BODY LENGTH | 4.500 INCHES NOMINAL |
| CFFM | SHAFT HARDNESS RATING | C SCALE,34 MAX |
| CFFZ | UNTHREADED SECTION KEYWAY WIDTH | 0.1550 INCHES NOMINAL EITHER END, THIRD PORTION |
| CFFC | WORM THREAD LEAD | 6.4815 INCHES NOMINAL |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.995 INCHES NOMINAL EITHER END, FIRST PORTION |
| CFGB | UNTHREADED SECTION KEYWAY DEPTH | 0.172 INCHES NOMINAL EITHER END, THIRD PORTION |
| CFFL | WORM PITCH DIAMETER | 2.682 INCHES NOMINAL |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.995 INCHES NOMINAL EITHER END, FOURTH PORTION |
| CFFF | WORM PRESSURE ANGLE IN DEG | 30.000 |
| MATL | MATERIAL | STEEL,MIL-S-890,CLASS HG |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 2.250 INCHES NOMINAL EITHER END, SECOND PORTION |
| CFFX | STRAIGHT UNTHREADED LENGTH | 1.125 INCHES NOMINAL EITHER END, THIRD PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 1.000 INCHES NOMINAL EITHER END, THIRD PORTION |
| CFFB | WORM THREAD QUANTITY | 10 |
| FEAT | SPECIAL FEATURES | W/OIL PASSAGE HOLES |
| ABHP | OVERALL LENGTH | 8.875 INCHES NOMINAL |
| CFFN | WORM THREAD SECTION LENGTH | 2.875 INCHES NOMINAL |
| CFFD | WORM THREAD DIRECTION | RIGHT-HAND |
| CFFX | STRAIGHT UNTHREADED LENGTH | 1.625 INCHES NOMINAL EITHER END, FIRST PORTION |
| CFFW | SHAFT LOCATION | BOTH ENDS OF WORM |