The Shaft,shouldered, cataloged under National Stock Number 3040-01-145-5582, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-145-5582 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| Second End External Thread Length | 0.940 INCHES NOMINAL IN |
| Step Quantity | 3 |
| First End Diameter | 1.4950 INCHES MINIMUM AND 1.4960 INCHES MAXIMUM IN |
| Second End Diameter | 0.8750 INCHES NOMINAL IN |
| Largest Step Diameter | 1.495 INCHES MINIMUM AND 1.496 INCHES MAXIMUM IN |
| First End Slot Width | 0.120 INCHES NOMINAL IN |
| First End Style | SLOTTED |
| Material Document and Classification | MIL-B-24059 MIL SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| First End Slot Depth | 0.190 INCHES NOMINAL IN |
| Second End Style | EXTERNAL THREADED |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 600-4789341 ITEM 8 | 5/2 Secondary reference U.S. Government activity |
| 87539-3704 | D/9 Drawing number reference only U.S. Government activity |
| 600-4789341 | D/9 Drawing number reference only U.S. Government activity |
| 87539-3704 ITEM 8 | 3/2 Design control — primary reference U.S. Government activity |
| 600-4789163 | D/9 Drawing number reference only U.S. Government activity |
| 87539-3704 ITEM 8 | 5/9 Secondary reference Drw Mfg Co |
| 600-4789163 ITEM 8 | 5/2 Secondary reference U.S. Government activity |
NSN 3040-01-145-5582 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 3040-01-145-5583, 3950-01-145-7668, 5340-01-154-9700. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-145-5582: Surface Finish: 63.0 MICROINCHES; Second End External Thread Length: 0.940 INCHES NOMINAL IN; Step Quantity: 3; First End Diameter: 1.4950 INCHES MINIMUM AND 1.4960 INCHES MAXIMUM IN. 13 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.