The Shaft,shouldered, cataloged under National Stock Number 3040-01-480-5427, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-480-5427 |
| Primary Part Number | 124-1678562 PC 93 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| Step Quantity | 4 |
| First End Diameter | 1.0000 INCHES NOMINAL IN |
| Second End Diameter | 1.1250 INCHES NOMINAL IN |
| Largest Step Diameter | 2.0000 INCHES NOMINAL IN |
| First End Style | FLAT KEYWAY |
| Second End Keyway Width | 0.3125 INCHES NOMINAL IN |
| Supplementary Features | RH THREADS BEGIN 1 1/4" FROM 1ST END - 1 1/2" X 16 R.H. X 4 7/8" L TO FIT (P/N 15 OR 94) INDICATOR NUT |
| Material Document and Classification | MIL-S-20166 MIL SPEC SINGLE MATERIAL RESPONSE |
| First End Keyway Depth | 0.1562 INCHES NOMINAL IN |
| Second End Keyway Depth | 0.1562 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | FLAT KEYWAY |
| Material | STEEL |
| External Keyway Length | 1.5000 INCHES NOMINAL FIRST END IN |
| External Keyway Length | 1.5000 INCHES NOMINAL SECOND END IN |
| First End Keyway Width | 0.3125 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 |
|---|---|
| 124-1678562 PC 93 PRIMARY | Naval Sea Systems Command (USA) |
| 124-1678564 PC 14 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 1678564 | D/9 Drawing number reference only U.S. Government activity |
| 1678562 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-01-480-5427 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-480-5427 has 2 manufacturer part numbers on file: 124-1678562 PC 93 (Naval Sea Systems Command), 124-1678564 PC 14 (Naval Sea Systems Command).
Key specifications for 124-1678562 PC 93: Surface Finish: 125.0 MICROINCHES; Step Quantity: 4; First End Diameter: 1.0000 INCHES NOMINAL IN; Second End Diameter: 1.1250 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.