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 |
|---|---|
| 19200 | U S ARMY ARMAMENT RESEARCH & DEVELOP |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CFFQ | WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| AAHN | END SIMILARITY | NOT IDENTICAL |
| CFFF | WORM PRESSURE ANGLE IN DEG | 14.500 |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.260 INCHES MAXIMUM FIRST END, FIRST PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.260 INCHES MAXIMUM SECOND END, FIRST PORTION |
| MATL | MATERIAL | STEEL,NITRALLOY |
| ABHP | OVERALL LENGTH | 2.336 INCHES MINIMUM AND 2.356 INCHES MAXIMUM |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.1562 INCHES MINIMUM SECOND END, THIRD PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.1566 INCHES MAXIMUM SECOND END, THIRD PORTION |
| CFFM | SHAFT HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.1873 INCHES MINIMUM FIRST END, SECOND PORTION |
| CFFL | WORM PITCH DIAMETER | 0.3279 INCHES NOMINAL |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.1873 INCHES MINIMUM SECOND END, SECOND PORTION |
| CFFC | WORM THREAD LEAD | 0.0656 INCHES NOMINAL |
| CFFB | WORM THREAD QUANTITY | 1 |
| CFFN | WORM THREAD SECTION LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| ZZZV | FSC APPLICATION DATA | TELESCOPE,PANORAMIC M100S |
| CFFX | STRAIGHT UNTHREADED LENGTH | 0.296 INCHES NOMINAL FIRST END, FIRST PORTION |
| BYFR | TEETH HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.240 INCHES MINIMUM FIRST END, FIRST PORTION |
| CFFP | WORM BODY LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| CFFG | WORM HELIX ANGLE | 3 DEG 38 MIN 33 SEC |
| SURF | SURFACE TREATMENT | BLACK OXIDE,MIL-C13924,CLASS 3 |
| CFFD | WORM THREAD DIRECTION | LEFT-HAND |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.1876 INCHES MAXIMUM FIRST END, SECOND PORTION |
| CRTL | CRITICALITY CODE JUSTIFICATION | CFFC AND CFFK |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.1876 INCHES MAXIMUM SECOND END, SECOND PORTION |
| CFFK | WORM OUTSIDE DIAMETER | 0.3697 INCHES NOMINAL |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.240 INCHES MINIMUM SECOND END, FIRST PORTION |
| CFFW | SHAFT LOCATION | BOTH ENDS OF WORM |