The Worm Shaft, cataloged under National Stock Number 3040-00-131-6085, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-131-6085 |
| Primary Part Number | 181876PC2 |
| 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 |
| Shaft Location | BOTH ENDS OF WORM |
| Worm Thread Lead | 1.000 INCHES NOMINAL IN |
| Worm Pitch Diameter | 1.250 INCHES NOMINAL IN |
| Worm Outside Diameter | 1.462 INCHES NOMINAL IN |
| Straight Unthreaded Section Diameter | 0.586 INCHES NOMINAL FIRST END FOURTH PORTION IN |
| Straight Unthreaded Section Diameter | 0.688 INCHES NOMINAL SECOND END FOURTH PORTION IN |
| Straight Unthreaded Section Diameter | 0.703 INCHES NOMINAL SECOND END THIRD PORTION IN |
| Straight Unthreaded Section Diameter | 0.750 INCHES NOMINAL FIRST END THIRD PORTION IN |
| Straight Unthreaded Section Diameter | 0.788 INCHES NOMINAL FIRST END SECOND PORTION IN |
| Straight Unthreaded Section Diameter | 0.788 INCHES NOMINAL SECOND END SECOND PORTION IN |
| Straight Unthreaded Section Diameter | 1.000 INCHES NOMINAL FIRST END FIRST PORTION IN |
| Straight Unthreaded Section Diameter | 1.000 INCHES NOMINAL SECOND END FIRST PORTION IN |
| Unthreaded Section Keyway Depth | 0.688 INCHES NOMINAL FIRST END FOURTH PORTION IN |
| Unthreaded Section Keyway Depth | 0.688 INCHES NOMINAL SECOND END FOURTH PORTION IN |
| Unthreaded Section Pin Hole Diameter | 0.1250 INCHES NOMINAL FIRST END FOURTH PORTION IN |
| Unthreaded Section Pin Hole Diameter | 0.1875 INCHES NOMINAL SECOND END FOURTH PORTION IN |
| End Similarity | NOT IDENTICAL |
| Worm Helix Angle | 14 DEG 17 MIN 10 SEC |
| Material | STEEL |
| Worm Thread Quantity | 3 |
| Worm Thread Direction | RIGHT-HAND |
| Unthreaded Section Keyway Width | 0.1875 INCHES NOMINAL BOTH ENDS FOURTH PORTION IN |
| Worm Pressure Angle in Deg | 14.500 |
| Worm Body Tapered Bearing Surface End | NOT PROVIDED |
| Straight Unthreaded Length | 0.350 INCHES NOMINAL SECOND END SECOND PORTION IN |
| Straight Unthreaded Length | 0.500 INCHES NOMINAL FIRST END FOURTH PORTION IN |
| Straight Unthreaded Length | 0.500 INCHES NOMINAL FIRST END SECOND PORTION IN |
| Straight Unthreaded Length | 0.500 INCHES NOMINAL SECOND END THIRD PORTION IN |
| Straight Unthreaded Length | 0.750 INCHES NOMINAL FIRST END THIRD 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 |
|---|---|
| 181876PC2 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3040-00-131-6085 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 3040-00-131-6085 has 1 manufacturer part number on file: 181876PC2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 181876PC2: Shaft Location: BOTH ENDS OF WORM; Worm Thread Lead: 1.000 INCHES NOMINAL IN; Overall Length: 9.453 INCHES NOMINAL IN; Worm Pitch Diameter: 1.250 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.