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 |
|---|---|
| 19204 | ARMY UNITED STATES DEPARTMENT OF THE |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CFFQ | WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| CFFQ | WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| CFFX | STRAIGHT UNTHREADED LENGTH | 1.312 INCHES NOMINAL FIRST END, FIRST PORTION |
| AAHN | END SIMILARITY | NOT IDENTICAL |
| CFFF | WORM PRESSURE ANGLE IN DEG | 14.500 |
| CFFZ | UNTHREADED SECTION KEYWAY WIDTH | 0.2485 INCHES MAXIMUM SECOND END, SECOND PORTION |
| CFFL | WORM PITCH DIAMETER | 2.4886 INCHES NOMINAL |
| MATL | MATERIAL | STEEL |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 1.3760 INCHES MINIMUM FIRST END, FIRST PORTION |
| FEAT | SPECIAL FEATURES | BOTH ENDS CHAMFERED 0.0625 BY 45 DEG AND THREAD SURFACE FINISH 32AA |
| CFFN | WORM THREAD SECTION LENGTH | 3.750 INCHES NOMINAL |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 1.000 INCHES MAXIMUM SECOND END, SECOND PORTION |
| ZZZV | FSC APPLICATION DATA | LAUNCHER,762-MM ROCKET,TRUCK MOUNTED,XM289 |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 1.3760 INCHES MINIMUM SECOND END, FIRST PORTION |
| CFGB | UNTHREADED SECTION KEYWAY DEPTH | 0.136 INCHES MINIMUM SECOND END, SECOND PORTION |
| BYFR | TEETH HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
| CFFX | STRAIGHT UNTHREADED LENGTH | 1.687 INCHES NOMINAL SECOND END, FIRST PORTION |
| CFFG | WORM HELIX ANGLE | 4 DEG 34 MIN. |
| CFFP | WORM BODY LENGTH | 6.376 INCHES NOMINAL |
| CFFK | WORM OUTSIDE DIAMETER | 2.8866 INCHES NOMINAL |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 1.3765 INCHES MAXIMUM FIRST END, FIRST PORTION |
| CFGB | UNTHREADED SECTION KEYWAY DEPTH | 0.139 INCHES MAXIMUM SECOND END, SECOND PORTION |
| CFFB | WORM THREAD QUANTITY | 1 |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.998 INCHES MINIMUM SECOND END, SECOND PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 1.3765 INCHES MAXIMUM SECOND END, FIRST PORTION |
| CFFX | STRAIGHT UNTHREADED LENGTH | 1.187 INCHES NOMINAL SECOND END, SECOND PORTION |
| SURF | SURFACE TREATMENT | BLACK OXIDE |
| ABHP | OVERALL LENGTH | 10.563 INCHES NOMINAL |
| CFFZ | UNTHREADED SECTION KEYWAY WIDTH | 0.2465 INCHES MINIMUM SECOND END, SECOND PORTION |
| CFFD | WORM THREAD DIRECTION | RIGHT-HAND |
| CFFC | WORM THREAD LEAD | 0.6253 INCHES NOMINAL |
| CFFM | SHAFT HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
| CFFW | SHAFT LOCATION | BOTH ENDS OF WORM |