The Shaft,straight, cataloged under National Stock Number 3040-01-406-8807, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 14 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 | 3040-01-406-8807 |
| Primary Part Number | 5266416 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| Second End Hole Diameter | 0.2500 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN |
| First End Diameter | 0.9450 INCHES MINIMUM AND 0.9500 INCHES MAXIMUM IN |
| Second End Diameter | 0.9450 INCHES MINIMUM AND 0.9500 INCHES MAXIMUM IN |
| First End Style | INTERNAL THREADED |
| First End Internal Thread Length | 0.250 INCHES NOMINAL IN |
| Material Document and Classification | MIL-P-1144,TY I OR II,GRADE 316,316L OR 316H,CL 5 MIL SPEC SINGLE MATERIAL RESPONSE |
| Second End Slot Depth | 0.310 INCHES NOMINAL IN |
| Second End Distance From Hole Center to End | 0.750 INCHES NOMINAL IN |
| Second End Hole Depth | 0.945 INCHES MINIMUM AND 0.950 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Slot Width | 0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Second End Style | CROSS DRILLED HOLE AND SLOTTED |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 5266416 PRIMARY | Naval Sea Systems Command (USA) |
NSN 3040-01-406-8807 is a Shaft,straight, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-406-8807 has 1 manufacturer part number on file: 5266416 (Naval Sea Systems Command).
Key specifications for 5266416: Surface Finish: 125.0 MICROINCHES; Second End Hole Diameter: 0.2500 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN; First End Diameter: 0.9450 INCHES MINIMUM AND 0.9500 INCHES MAXIMUM IN; Second End Diameter: 0.9450 INCHES MINIMUM AND 0.9500 INCHES MAXIMUM IN. 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.
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.