National Stock Number (NSN) Output Data
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.
Reference/Part Number
| Part Number | CAGE | Status | RNCC | RNVC | DAC | RNAAC | MSDS | SADC |
|---|---|---|---|---|---|---|---|---|
| WE-12619 | 16712 | A | D | 9 | 2 | AX | ||
| DW1243G11 | 16712 | A | 5 | 9 | 2 | AX | ||
| DW1243G11 | 15330 | F | 3 | 9 | 2 | AX |
CAGE Information
| Code | Company |
|---|---|
| 15330 | IMO INDUSTRIES INC DELROYD WORM GEAR |
| 16712 | SIEMENS DEMAG DELAVAL TURBOMACHINERY |
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 | 1.250 INCHES NOMINAL SECOND END, FIRST PORTION |
| CFFX | STRAIGHT UNTHREADED LENGTH | 1.250 INCHES NOMINAL SECOND END, FIRST PORTION |
| AAHN | END SIMILARITY | NOT IDENTICAL |
| CFFK | WORM OUTSIDE DIAMETER | 3.209 INCHES MINIMUM AND 3.211 INCHES MAXIMUM |
| AASA | THREAD LENGTH | 0.438 INCHES NOMINAL FIRST END, FIRST PORTION |
| MATL | MATERIAL | STEEL |
| CFFF | WORM PRESSURE ANGLE IN DEG | 22.500 |
| CFFN | WORM THREAD SECTION LENGTH | 3.750 INCHES NOMINAL |
| AKAF | SHAFT THREAD DIRECTION | RIGHT-HAND FIRST END, FIRST PORTION |
| CFFC | WORM THREAD LEAD | 8.432 INCHES NOMINAL |
| CFFM | SHAFT HARDNESS RATING | 36.6 ROCKWELL C MINIMUM |
| CFFL | WORM PITCH DIAMETER | 2.782 INCHES NOMINAL |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.880 INCHES NOMINAL SECOND END, FIRST PORTION |
| CFFB | WORM THREAD QUANTITY | 12 |
| AJYP | SCREW THREAD SERIES DESIGNATOR | UN FIRST END, FIRST PORTION |
| ABHP | OVERALL LENGTH | 19.875 INCHES NOMINAL |
| CFFD | WORM THREAD DIRECTION | RIGHT-HAND |
| CFFG | WORM HELIX ANGLE | 43DEG58MIN26SEC |
| BYFR | TEETH HARDNESS RATING | 56.0 ROCKWELL C MINIMUM AND 59.2 ROCKWELL C MAXIMUM |
| CFFW | SHAFT LOCATION | BOTH ENDS OF WORM |
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