The Worm Shaft, cataloged under National Stock Number 3040-00-336-4712, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-336-4712 |
| Primary Part Number | 351804PC4 |
| Item Name | Worm Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Keyway Depth | 0.135 INCHES NOMINAL SECOND END FOURTH PORTION IN |
| Shaft Location | BOTH ENDS OF WORM |
| Teeth Hardness Rating | 24.0 ROCKWELL C NOMINAL |
| Worm Thread Lead | 0.500 INCHES NOMINAL IN |
| Thread Length | 0.344 INCHES NOMINAL SECOND END FIFTH PORTION IN |
| Worm Pitch Diameter | 1.000 INCHES NOMINAL IN |
| Worm Outside Diameter | 1.159 INCHES NOMINAL IN |
| Straight Unthreaded Section Diameter | 0.501 INCHES NOMINAL SECOND END FOURTH PORTION IN |
| Straight Unthreaded Section Diameter | 0.511 INCHES NOMINAL FIRST END SECOND PORTION IN |
| Straight Unthreaded Section Diameter | 0.512 INCHES NOMINAL SECOND END THIRD PORTION IN |
| Straight Unthreaded Section Diameter | 0.687 INCHES NOMINAL SECOND END SECOND PORTION IN |
| Straight Unthreaded Section Diameter | 0.688 INCHES NOMINAL FIRST END FIRST PORTION IN |
| Straight Unthreaded Section Diameter | 0.688 INCHES NOMINAL SECOND END FIRST PORTION IN |
| Unthreaded Section Keyway Depth | 0.135 INCHES NOMINAL SECOND END FIFTH PORTION IN |
| End Similarity | NOT IDENTICAL |
| Shaft Hardness Rating | 24.0 ROCKWELL C NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| Keyway Width | 0.125 INCHES NOMINAL SECOND END FOURTH PORTION IN |
| Worm Thread Section Length | 2.250 INCHES NOMINAL IN |
| Shaft Thread Direction | RIGHT-HAND SECOND END FIFTH PORTION |
| Worm Helix Angle | 9 DEG 3 MIN |
| Material | STEEL |
| Worm Thread Direction | LEFT-HAND |
| Unthreaded Section Keyway Width | 0.1250 INCHES NOMINAL SECOND END FIFTH PORTION IN |
| Worm Body Tapered Bearing Surface End | NOT PROVIDED |
| Straight Unthreaded Length | 0.250 INCHES NOMINAL SECOND END THIRD PORTION IN |
| Straight Unthreaded Length | 0.281 INCHES NOMINAL FIRST END SECOND PORTION IN |
| Straight Unthreaded Length | 0.375 INCHES NOMINAL SECOND END FOURTH PORTION IN |
| Straight Unthreaded Length | 0.625 INCHES NOMINAL SECOND END SECOND PORTION IN |
| Straight Unthreaded Length | 0.781 INCHES NOMINAL SECOND END FIRST PORTION IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 351804PC4 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| T8602733PIECE4 | Lockheed Martin Corporation Div Rms (USA) |
NSN 3040-00-336-4712 is a Worm Shaft, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-336-4712 has 2 manufacturer part numbers on file: 351804PC4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), T8602733PIECE4 (Lockheed Martin Corporation Div Rms).
Key specifications for 351804PC4: Keyway Depth: 0.135 INCHES NOMINAL SECOND END FOURTH PORTION IN; Shaft Location: BOTH ENDS OF WORM; Teeth Hardness Rating: 24.0 ROCKWELL C NOMINAL; Worm Thread Lead: 0.500 INCHES NOMINAL IN. 29 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.