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 |
|---|---|---|
| CFFQ | WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| CFFK | WORM OUTSIDE DIAMETER | 1.000 INCHES NOMINAL |
| AAHN | END SIMILARITY | NOT IDENTICAL |
| CFGB | UNTHREADED SECTION KEYWAY DEPTH | 0.112 INCHES NOMINAL FIRST END |
| MATL | MATERIAL | ALUMINUM ALLOY |
| CFFP | WORM BODY LENGTH | 6.670 INCHES NOMINAL |
| CFFB | WORM THREAD QUANTITY | 1 |
| FEAT | SPECIAL FEATURES | SHAFT THREAD DESIGNATION: 1.000-5 ACME-2G; "SCREW, DRIVE" IS USED ON THE A7 HOUSING ASSEMBLY; NEXT HIGHER ASSEMBLY: WEAPONS HANDLING HOIST PLATFORM ASSEMBLY |
| CFFL | WORM PITCH DIAMETER | 0.880 INCHES NOMINAL |
| CFFX | STRAIGHT UNTHREADED LENGTH | 2.060 INCHES NOMINAL FIRST END |
| CFFZ | UNTHREADED SECTION KEYWAY WIDTH | 0.1900 INCHES NOMINAL FIRST END |
| ABHP | OVERALL LENGTH | 8.310 INCHES NOMINAL |
| CFFN | WORM THREAD SECTION LENGTH | 6.000 INCHES NOMINAL |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 2.100 INCHES NOMINAL FIRST END |
| CFFD | WORM THREAD DIRECTION | RIGHT-HAND |
| CFFW | SHAFT LOCATION | BOTH ENDS OF WORM |
| AGAV | END ITEM IDENTIFICATION | LOS ANGELES CLASS SSN 688 |