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 |
|---|---|
| 53711 | NAVAL SEA SYSTEMS COMMAND |
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 |
|---|---|---|
| ABRV | KEYWAY DEPTH | 0.2500 INCHES NOMINAL SECOND END |
| CFFQ | WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| CFFX | STRAIGHT UNTHREADED LENGTH | 1.8750 INCHES NOMINAL FIRST END |
| AAHN | END SIMILARITY | NOT IDENTICAL |
| CFFF | WORM PRESSURE ANGLE IN DEG | 20.000 |
| MATL | MATERIAL | STEEL |
| CFFK | WORM OUTSIDE DIAMETER | 4.1250 INCHES NOMINAL |
| CFFH | CONCAVE WORM THROAT CURVATURE RADIUS | 5.000 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 17.5000 INCHES NOMINAL |
| AKAF | SHAFT THREAD DIRECTION | RIGHT-HAND SECOND END |
| CFFB | WORM THREAD QUANTITY | 2 |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 3.0020 INCHES NOMINAL FIRST END |
| ABRR | KEYWAY WIDTH | 0.5000 INCHES NOMINAL SECOND END |
| AGAV | END ITEM IDENTIFICATION | STD TENSIONED REPLENISHMENT AT SEA MET |
| CFFJ | CONCAVE WORM THROAT DIAMETER | 3.260 INCHES NOMINAL |
| CFFC | WORM THREAD LEAD | 2.000 INCHES NOMINAL |
| CFFD | WORM THREAD DIRECTION | RIGHT-HAND |
| CFFW | SHAFT LOCATION | BOTH ENDS OF WORM |