The Shaft,shouldered, cataloged under National Stock Number 3040-01-184-6850, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-184-6850 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 32.0 MICRONS |
| Step Quantity | 5 |
| Largest Step Diameter | 1.875 INCHES NOMINAL IN |
| Material | STEEL COMP 4140 |
| 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 |
|---|---|
| 0093546 | 5/9 Secondary reference Crane Co Dba Crane-Deming Pumps Division Div Deming Pumps |
| 104962 | 3/9 Design control — primary reference Crane Co Dba Crane-Deming Pumps Division Div Deming Pumps |
NSN 3040-01-184-6850 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4310-01-332-1310, 5340-01-555-5619. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-184-6850: Surface Finish: 32.0 MICRONS; Step Quantity: 5; Largest Step Diameter: 1.875 INCHES NOMINAL IN; Overall Length: 27.062 INCHES NOMINAL IN. 4 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.