The Shaft,straight, cataloged under National Stock Number 3040-01-332-8528, 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 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-332-8528 |
| Primary Part Number | 570-6547546 ITEM 8 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES |
| First End Diameter | 0.7470 INCHES MINIMUM AND 0.7480 INCHES MAXIMUM IN |
| First End Distance From End to Flat | 0.2812 INCHES NOMINAL IN |
| First End Style | FLAT GROOVED |
| First End Grooved Flat Depth | 0.2170 INCHES NOMINAL IN |
| End Similarity | IDENTICAL |
| First End Grooved Flat Length | 0.3125 INCHES NOMINAL IN |
| 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 |
|---|---|
| 570-6547546 ITEM 8 PRIMARY | Naval Sea Systems Command (USA) |
| 570-6547546 DETAIL 26-E | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 570-6547546 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-332-8528 is a Shaft,straight, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-332-8528 has 2 manufacturer part numbers on file: 570-6547546 ITEM 8 (Naval Sea Systems Command), 570-6547546 DETAIL 26-E (Naval Sea Systems Command).
Key specifications for 570-6547546 ITEM 8: Surface Finish: 16.0 MICROINCHES; First End Diameter: 0.7470 INCHES MINIMUM AND 0.7480 INCHES MAXIMUM IN; First End Distance From End to Flat: 0.2812 INCHES NOMINAL IN; First End Style: FLAT GROOVED. 8 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.