The Shaft,straight, cataloged under National Stock Number 3040-01-497-1157, 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 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-497-1157 |
| Primary Part Number | 581-6985419-60 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 250.0 MICROINCHES |
| First End Diameter | 2.9980 INCHES MINIMUM AND 3.0020 INCHES MAXIMUM IN |
| First End Spline Major Diameter | 3.4930 INCHES MINIMUM AND 3.4950 INCHES MAXIMUM IN |
| First End Style | SPLINED (STRAIGHT) |
| Material Document and Classification | QQ-N-286 FORM-2 NATIONAL SPEC ALL MATERIAL RESPONSES |
| First End Spline Length | 13.300 INCHES NOMINAL IN |
| First End Spline Quantity | 10 |
| End Similarity | IDENTICAL |
| First End Spline Minor Diameter | 2.9980 INCHES MINIMUM AND 3.0020 INCHES MAXIMUM IN |
| Material | NICKEL ALLOY 502 |
| 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 |
|---|---|
| 581-6985419-60 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H611-1403-60 | 5/2 Secondary reference U.S. Government activity |
| 581-6985419 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-497-1157 is a Shaft,straight, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-497-1157 has 1 manufacturer part number on file: 581-6985419-60 (Naval Sea Systems Command).
Key specifications for 581-6985419-60: Surface Finish: 250.0 MICROINCHES; First End Diameter: 2.9980 INCHES MINIMUM AND 3.0020 INCHES MAXIMUM IN; First End Spline Major Diameter: 3.4930 INCHES MINIMUM AND 3.4950 INCHES MAXIMUM IN; First End Style: SPLINED (STRAIGHT). 10 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.