The Extension Shaft, cataloged under National Stock Number 3040-01-417-2418, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-417-2418 |
| Item Name | Extension Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Socket Diameter | 0.230 INCHES NOMINAL IN |
| Length | 0.825 INCHES NOMINAL IN |
| Socket Depth | 0.295 INCHES NOMINAL IN |
| Style Designator | PLAIN SOCKET |
| Outside Diameter | 0.375 INCHES NOMINAL IN |
| Shaft End Design | MALE |
| Shaft End Diameter | 0.104 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.112 INCHES SCREW HOLE IN |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 40 SCREW HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Shaft End Configuration | ROUND |
| Attachment Method | SETSCREWS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 400-11074-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-417-2418 is a Extension Shaft, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-417-2418: Socket Diameter: 0.230 INCHES NOMINAL IN; Length: 0.825 INCHES NOMINAL IN; Socket Depth: 0.295 INCHES NOMINAL IN; Style Designator: PLAIN SOCKET. 14 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.
NSN 3040-01-417-2418 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.