The Shaft,shouldered, cataloged under National Stock Number 3040-01-170-2464, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Aljers Llc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-170-2464 |
| Primary Part Number | 232502001 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Aljers Llc |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| Step Quantity | 10 |
| First End Diameter | 1.8750 INCHES NOMINAL IN |
| First End Distance From Keyway Center to End | 0.562 INCHES NOMINAL IN |
| Second End Diameter | 1.6250 INCHES NOMINAL IN |
| Largest Step Diameter | 2.938 INCHES NOMINAL IN |
| First End Style | INDENTED FLAT KEYWAY |
| Second End Keyway Width | 0.3750 INCHES NOMINAL IN |
| First End Keyway Depth | 0.125 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.188 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | FLAT KEYWAYS AND INTERNALLY THREADED |
| Material | STEEL |
| Second End Internal Thread Length | 0.750 INCHES NOMINAL IN |
| External Keyway Length | 0.500 INCHES NOMINAL FIRST END IN |
| External Keyway Length | 1.750 INCHES NOMINAL SECOND END IN |
| First End Keyway Width | 0.1875 INCHES NOMINAL IN |
| 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 |
|---|---|
| 232502001 PRIMARY | Aljers Llc (USA) |
| Reference | Meaning |
|---|---|
| 232502-0-01 | 3/9 Design control — primary reference U.S. Government activity |
| D-75-943-47 | D/9 Drawing number reference only U.S. Government activity |
| D-75-943-47 PIECE 1 | 5/9 Secondary reference U.S. Government activity |
| 232502 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-01-170-2464 is a Shaft,shouldered, manufactured by Aljers Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-170-2464 has 1 manufacturer part number on file: 232502001 (Aljers Llc).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-559-9266. Verify interchangeability with system specifications before substitution.
Key specifications for 232502001: Surface Finish: 32.0 MICROINCHES; Step Quantity: 10; First End Diameter: 1.8750 INCHES NOMINAL IN; First End Distance From Keyway Center to End: 0.562 INCHES NOMINAL IN. 17 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.