NSN 3040-01-504-8342
Part Details | WORM SHAFT
3040-01-504-8342 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.
Alternate Parts: B831951161, B831-9511-61, 596741024961, 596-7410249-61, 5967410249, 596-7410249, 3040-01-504-8342, 01-504-8342, 3040015048342, 015048342
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | FEB 11, 2003 | 01-504-8342 | 18249 ( WORM SHAFT ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 3040-01-504-8342
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| B831-9511-61 | 96169 | ELECTRIC BOAT CORPORATION |
| 596-7410249-61 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 596-7410249 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 3040-01-504-8342
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL CORROSION RESISTING |
| TEETH HARDNESS RATING | 38.0 ROCKWELL C MAXIMUM |
| SHAFT HARDNESS RATING | 38.0 ROCKWELL C MAXIMUM |
| WORM THREAD QUANTITY | 58 |
| WORM PRESSURE ANGLE IN DEG | 14.500 |
| WORM THREAD LEAD | 0.125 INCHES NOMINAL |
| WORM THREAD DIRECTION | RIGHT-HAND |
| WORM HELIX ANGLE | 3.312 DEGREES |
| WORM OUTSIDE DIAMETER | 0.750 INCHES NOMINAL |
| WORM PITCH DIAMETER | 0.665 INCHES MINIMUM AND 0.681 INCHES MAXIMUM |
| WORM THREAD SECTION LENGTH | 7.240 INCHES NOMINAL |
| WORM BODY LENGTH | 12.120 INCHES NOMINAL |
| WORM BODY TAPERED BEARING SURFACE END | PROVIDED |
| TAPERED BEARING SURFACE LARGEST DIAMETER | 0.750 INCHES NOMINAL |
| TAPERED BEARING SURFACE SMALLEST DIAMETER | 0.650 INCHES NOMINAL |
| TAPERED BEARING SURFACE LENGTH | 0.050 INCHES NOMINAL |
| SHAFT LOCATION | ONE END OF WORM |
| OVERALL LENGTH | 12.120 INCHES NOMINAL |
| SPECIAL FEATURES | MATERIAL SPECIFICATION ASTM-A564,TYPE-630,CONDITION-H1150,HOT FINISHED AND ASTM-A484. SURFACE FINISH 63.0 ON ACME THREADS. WORM IS 0.750-8 ACME-2G |
| END ITEM IDENTIFICATION | BRIDGE,TRACK ASSEMBLY FOR CARGO BAY 3RD PLATFORM FOR SEAWOLF CLASS SUBMARINE SSN 23 |