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 |
|---|---|
| 49524 | SCOTSMAN INDUSTRIES INC DIV SCOTSMAN |
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 |
| SURF | SURFACE TREATMENT | ANY ACCEPTABLE |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.656 INCHES NOMINAL FIRST END, FIRST PORTION |
| CFFN | WORM THREAD SECTION LENGTH | ANY ACCEPTABLE |
| BYFR | TEETH HARDNESS RATING | ANY ACCEPTABLE |
| CFFX | STRAIGHT UNTHREADED LENGTH | 1.656 INCHES NOMINAL SECOND END, FIRST PORTION |
| MATL | MATERIAL | STEEL, STAINLESS |
| CFFK | WORM OUTSIDE DIAMETER | 2.000 INCHES NOMINAL |
| CFFH | CONCAVE WORM THROAT CURVATURE RADIUS | ANY ACCEPTABLE |
| CFFF | WORM PRESSURE ANGLE IN DEG | 4.000 |
| CFFB | WORM THREAD QUANTITY | 1 |
| ABHP | OVERALL LENGTH | 13.000 INCHES NOMINAL |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.625 INCHES NOMINAL SECOND END, FIRST PORTION |
| CFFX | STRAIGHT UNTHREADED LENGTH | 0.906 INCHES NOMINAL FIRST END, FIRST PORTION |
| CFFC | WORM THREAD LEAD | 1.750 INCHES NOMINAL |
| CFFP | WORM BODY LENGTH | 8.250 INCHES NOMINAL |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 1.000 INCHES NOMINAL FIRST END, SECOND PORTION |
| CFFG | WORM HELIX ANGLE | 15 DEG |
| CFFL | WORM PITCH DIAMETER | ANY ACCEPTABLE |
| CFFD | WORM THREAD DIRECTION | RIGHT-HAND |
| CFFX | STRAIGHT UNTHREADED LENGTH | 1.250 INCHES NOMINAL FIRST END, SECOND PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 1.000 INCHES NOMINAL SECOND END, SECOND PORTION |
| CFFX | STRAIGHT UNTHREADED LENGTH | 0.718 INCHES NOMINAL SECOND END, SECOND PORTION |
| AAHN | END SIMILARITY | IDENTICAL |
| CFFW | SHAFT LOCATION | BOTH ENDS OF WORM |
| CFFM | SHAFT HARDNESS RATING | ANY ACCEPTABLE |