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 |
|---|---|---|
| CFFQ | WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| CFFX | STRAIGHT UNTHREADED LENGTH | 3.125 INCHES NOMINAL SECOND END, THIRD PORTION |
| AAHN | END SIMILARITY | NOT IDENTICAL |
| CFFP | WORM BODY LENGTH | 2.500 INCHES NOMINAL |
| CFFK | WORM OUTSIDE DIAMETER | 1.820 INCHES NOMINAL |
| CFFX | STRAIGHT UNTHREADED LENGTH | 1.188 INCHES NOMINAL SECOND END, FIRST PORTION |
| ABHP | OVERALL LENGTH | 9.625 INCHES NOMINAL |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 1.250 INCHES NOMINAL SECOND END, FIRST PORTION |
| MATL | MATERIAL | STEEL |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.8750 INCHES NOMINAL SECOND END, THIRD PORTION |
| CFFG | WORM HELIX ANGLE | 21 DEG 25 MIN |
| CFFF | WORM PRESSURE ANGLE IN DEG | 27.500 |
| CFFZ | UNTHREADED SECTION KEYWAY WIDTH | 0.1880 INCHES NOMINAL SECOND END, THIRD PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.9841 INCHES MINIMUM FIRST END, SECOND PORTION |
| CFFX | STRAIGHT UNTHREADED LENGTH | 0.813 INCHES NOMINAL FIRST END, SECOND PORTION |
| CFFB | WORM THREAD QUANTITY | 3 |
| CFFC | WORM THREAD LEAD | 1.800 INCHES NOMINAL |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.9841 INCHES MINIMUM SECOND END, SECOND PORTION |
| CFFL | WORM PITCH DIAMETER | 1.461 INCHES NOMINAL |
| CFGB | UNTHREADED SECTION KEYWAY DEPTH | 0.094 INCHES NOMINAL SECOND END, THIRD PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.9844 INCHES MAXIMUM FIRST END, SECOND PORTION |
| CFFN | WORM THREAD SECTION LENGTH | 2.500 INCHES NOMINAL |
| CFFX | STRAIGHT UNTHREADED LENGTH | 0.813 INCHES NOMINAL SECOND END, SECOND PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.9844 INCHES MAXIMUM SECOND END, SECOND PORTION |
| CFFD | WORM THREAD DIRECTION | RIGHT-HAND |
| CFFX | STRAIGHT UNTHREADED LENGTH | 1.188 INCHES NOMINAL FIRST END, FIRST PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 1.250 INCHES NOMINAL FIRST END, FIRST PORTION |
| CFFW | SHAFT LOCATION | BOTH ENDS OF WORM |