The Shaft,shouldered, cataloged under National Stock Number 3040-00-169-4913, 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 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-169-4913 |
| Primary Part Number | 2624012 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| Second End Hole Diameter | 0.3125 INCHES NOMINAL IN |
| Step Quantity | 17 |
| First End Diameter | 0.7500 INCHES NOMINAL IN |
| Second End Diameter | 1.8745 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN |
| Largest Step Diameter | 2.625 INCHES NOMINAL IN |
| First End External Thread Length | 0.782 INCHES NOMINAL IN |
| First End Hole Depth | 0.750 INCHES NOMINAL IN |
| Second End Distance From Keyway Center to End | 4.437 INCHES NOMINAL IN |
| First End Style | CROSS DRILLED AND EXTERNALLY THREADED |
| Second End Keyway Width | 0.3120 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S634 FED SPEC 1ST MATERIAL RESPONSE OR 1040 THRU 1048 ASSN STD 2ND MATERIAL RESPONSE |
| Second End Distance From Hole Center to End | 1.066 INCHES NOMINAL IN |
| Second End Hole Depth | 1.8745 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| First End Hole Diameter | 0.1880 INCHES NOMINAL IN |
| Second End Style | WOODRUFF KEYWAY AND CROSS DRILLED |
| Material | STEEL |
| First End Distance From Hole Center to End | 0.188 INCHES NOMINAL IN |
| External Keyway Length | 1.135 INCHES NOMINAL SECOND END 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 |
|---|---|
| 2624012 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2624012 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-00-169-4913 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-169-4913 has 1 manufacturer part number on file: 2624012 (Naval Sea Systems Command).
Key specifications for 2624012: Surface Finish: 63.0 MICROINCHES; Second End Hole Diameter: 0.3125 INCHES NOMINAL IN; Step Quantity: 17; First End Diameter: 0.7500 INCHES NOMINAL IN. 20 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.