The Extension Shaft, cataloged under National Stock Number 3040-01-031-1503, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-031-1503 |
| Item Name | Extension Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Socket Diameter | 0.150 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN |
| Length | 1.093 INCHES NOMINAL IN |
| Socket Depth | 0.875 INCHES NOMINAL IN |
| Style Designator | PLAIN SOCKET |
| Outside Diameter | 0.449 INCHES MINIMUM AND 0.451 INCHES MAXIMUM IN |
| Shaft End Design | MALE AND FEMALE |
| Shaft End Diameter | 0.304 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN |
| Material | STEEL COMP 303 |
| Shoulder Length | 0.062 INCHES NOMINAL IN |
| End Type | PROCESSED END |
| Shaft End Configuration | ROUND W/SCREW DRIVE SLOT AND ROUND |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2105542 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 1085591 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 3040-01-031-1503 is a Extension Shaft, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-031-1503: Socket Diameter: 0.150 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN; Length: 1.093 INCHES NOMINAL IN; Socket Depth: 0.875 INCHES NOMINAL IN; Style Designator: PLAIN SOCKET. 11 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.