The Shaft,straight, cataloged under National Stock Number 3040-01-438-1182, 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 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-438-1182 |
| Primary Part Number | 752-6406826-14 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| First End Diameter | 0.9980 INCHES NOMINAL IN |
| Second End Diameter | 0.9980 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Groove Diameter | 0.7500 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.2800 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.3600 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED AND INTERNALLY THREADED |
| Material | STEEL COMP 403 |
| Second End Internal Thread Length | 0.6000 INCHES NOMINAL 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 |
|---|---|
| 752-6406826-14 PRIMARY | Naval Sea Systems Command (USA) |
| 752-6406826 FIND NO. 14 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6406826 | D/9 Drawing number reference only Naval Sea Systems Command |
| DF1706-414 FN 14 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 3040-01-438-1182 is a Shaft,straight, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-438-1182 has 2 manufacturer part numbers on file: 752-6406826-14 (Naval Sea Systems Command), 752-6406826 FIND NO. 14 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-438-1183. Verify interchangeability with system specifications before substitution.
Key specifications for 752-6406826-14: Surface Finish: 63.0 MICROINCHES; First End Diameter: 0.9980 INCHES NOMINAL IN; Second End Diameter: 0.9980 INCHES NOMINAL IN; First End Style: PLAIN. 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.