The Shaft,shouldered, cataloged under National Stock Number 3040-01-149-7847, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-149-7847 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| Second End Hole Diameter | 0.0980 INCHES NOMINAL IN |
| Step Quantity | 2 |
| First End Diameter | 0.3600 INCHES MINIMUM AND 0.3620 INCHES MAXIMUM IN |
| Second End Diameter | 0.4930 INCHES MINIMUM AND 0.4950 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.493 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Material Document and Classification | QQ-N-286,CLASS A FED SPEC SINGLE MATERIAL RESPONSE |
| Second End Slot Depth | 0.060 INCHES NOMINAL IN |
| Second End Distance From Hole Center to End | 0.250 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Slot Width | 0.090 INCHES NOMINAL IN |
| Second End Style | CROSS DRILLED HOLE AND SLOTTED |
| Material | NICKEL ALLOY K-500 |
| 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 |
|---|---|
| SS585-2477289 PIECE 98 | 3/9 Design control — primary reference Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
| SS585-2477289 | D/9 Drawing number reference only Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
NSN 3040-01-149-7847 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
8 possible matches (shared part number, not a government interchangeability claim): 3040-01-149-7848, 4710-01-151-3859, 3040-01-151-3938. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-149-7847: Surface Finish: 32.0 MICROINCHES; Second End Hole Diameter: 0.0980 INCHES NOMINAL IN; Step Quantity: 2; First End Diameter: 0.3600 INCHES MINIMUM AND 0.3620 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.