The Extension Shaft, cataloged under National Stock Number 3040-01-093-7906, 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11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-093-7906 |
| Item Name | Extension Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Length | 0.314 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN |
| Internal Thread Length | 0.318 INCHES NOMINAL IN |
| Style Designator | THREADED SOCKET |
| Outside Diameter | 0.250 INCHES NOMINAL IN |
| Shaft End Design | FEMALE |
| Nominal Thread Size | 0.312 INCHES SCREW HOLE IN |
| Thread Quantity Per Inch | 20 SCREW HOLE |
| Material | STEEL CORROSION RESISTING |
| Thread Series Designator | UN SCREW HOLE |
| End Type | PROCESSED END |
| Shaft End Configuration | RECTANGULAR |
| 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 |
|---|---|
| 677191-5 | 3/2 Design control — primary reference U.S. Government activity |
| 677191-5 | 3/9 Design control — primary reference Drs Sustainment Systems, Inc. |
NSN 3040-01-093-7906 is a Extension Shaft, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-093-7906: Length: 0.314 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN; Internal Thread Length: 0.318 INCHES NOMINAL IN; Style Designator: THREADED SOCKET; Outside Diameter: 0.250 INCHES NOMINAL IN. 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.