The Shaft,shouldered, cataloged under National Stock Number 3040-01-173-5230, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-173-5230 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES |
| Step Quantity | 3 |
| First End Diameter | 0.2503 INCHES MINIMUM AND 0.2508 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.259 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Material Document and Classification | AISI5630 ASSN STD ALL MATERIAL RESPONSES AND AISI5632 ASSN STD ALL MATERIAL RESPONSES |
| End Similarity | IDENTICAL |
| Material | STEEL COMP 440C |
| 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 |
|---|---|
| 3040PL0667084 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 3040PL1601305 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| H330030P01 | C/1 Advisory reference — outside the item-of-supply concept Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| 330030P01 | 5/9 Secondary reference Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| H330030P01 | 3/9 Design control — primary reference Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| 330030P01 | 5/9 Secondary reference Howden Fluid Systems |
NSN 3040-01-173-5230 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-173-5230: Surface Finish: 16.0 MICROINCHES; Step Quantity: 3; First End Diameter: 0.2503 INCHES MINIMUM AND 0.2508 INCHES MAXIMUM IN; Largest Step Diameter: 0.259 INCHES NOMINAL IN. 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.