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 | 1.500 INCHES NOMINAL SECOND END, FOURTH PORTION |
| CFFQ | WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| CFFC | WORM THREAD LEAD | 2.600 INCHES NOMINAL |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 3.625 INCHES NOMINAL SECOND END, FIRST PORTION |
| AAHN | END SIMILARITY | NOT IDENTICAL |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 2.750 INCHES NOMINAL FIRST END, THIRD PORTION |
| CFFX | STRAIGHT UNTHREADED LENGTH | 1.094 INCHES NOMINAL FIRST END, THIRD PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 2.750 INCHES NOMINAL SECOND END, FOURTH PORTION |
| ABRV | KEYWAY DEPTH | 0.335 INCHES NOMINAL SECOND END, SIXTH PORTION |
| ABRV | KEYWAY DEPTH | 0.156 INCHES NOMINAL SECOND END, THIRD PORTION |
| CFFX | STRAIGHT UNTHREADED LENGTH | 1.156 INCHES NOMINAL FIRST END, SECOND PORTION |
| MATL | MATERIAL | STEEL |
| CFFG | WORM HELIX ANGLE | 4 DEG 27 MIN |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 2.757 INCHES NOMINAL FIRST END, SECOND PORTION |
| CFFF | WORM PRESSURE ANGLE IN DEG | 22.500 |
| ABHP | OVERALL LENGTH | 31.500 INCHES NOMINAL |
| ABND | TAPER LENGTH | 0.188 INCHES NOMINAL SECOND END, FIFTH PORTION |
| CFFP | WORM BODY LENGTH | 21.687 INCHES NOMINAL |
| CFFX | STRAIGHT UNTHREADED LENGTH | 3.750 INCHES NOMINAL SECOND END, SECOND PORTION |
| CFFK | WORM OUTSIDE DIAMETER | 4.552 INCHES NOMINAL |
| ABRR | KEYWAY WIDTH | 0.312 INCHES NOMINAL SECOND END, THIRD PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 3.002 INCHES NOMINAL SECOND END, SECOND PORTION |
| CFFB | WORM THREAD QUANTITY | 2 |
| AASA | THREAD LENGTH | 0.938 INCHES NOMINAL SECOND END, THIRD PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 3.094 INCHES NOMINAL FIRST END, FIRST PORTION |
| ABRR | KEYWAY WIDTH | 0.626 INCHES NOMINAL SECOND END, SIXTH PORTION |
| CFFL | WORM PITCH DIAMETER | 3.724 INCHES NOMINAL |
| AASA | THREAD LENGTH | 4.500 INCHES NOMINAL SECOND END, SIXTH PORTION |
| CFFX | STRAIGHT UNTHREADED LENGTH | 4.125 INCHES NOMINAL SECOND END, FIRST PORTION |
| CFFD | WORM THREAD DIRECTION | RIGHT-HAND |
| CFFX | STRAIGHT UNTHREADED LENGTH | 4.188 INCHES NOMINAL FIRST END, FIRST PORTION |
| CFFN | WORM THREAD SECTION LENGTH | 6.875 INCHES NOMINAL |
| CFFW | SHAFT LOCATION | BOTH ENDS OF WORM |
| AJYP | SCREW THREAD SERIES DESIGNATOR | UNS SECOND END, THIRD PORTION |