The Shaft,shouldered, cataloged under National Stock Number 3040-01-506-5876, 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 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-506-5876 |
| Primary Part Number | 7249201 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES |
| Step Quantity | 4 |
| First End Diameter | 0.9980 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM IN |
| Second End Diameter | 1.9980 INCHES MINIMUM AND 1.9990 INCHES MAXIMUM IN |
| Second End Step Length | 1.250 INCHES NOMINAL IN |
| Largest Step Diameter | 1.998 INCHES MINIMUM AND 1.999 INCHES MAXIMUM IN |
| First End Style | FLAT KEYWAY |
| Material Document and Classification | ASTMA322 ASSN STD SINGLE MATERIAL RESPONSE |
| First End Keyway Depth | 0.155 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | HEXAGONAL |
| Material | STEEL |
| Second End Width Across Flats | 0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| External Keyway Length | 1.500 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.2500 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM 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 |
|---|---|
| 7249201 PRIMARY | Naval Sea Systems Command (USA) |
NSN 3040-01-506-5876 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-506-5876 has 1 manufacturer part number on file: 7249201 (Naval Sea Systems Command).
Key specifications for 7249201: Surface Finish: 32.0 MICROINCHES; Step Quantity: 4; First End Diameter: 0.9980 INCHES MINIMUM AND 0.9990 INCHES MAXIMUM IN; Second End Diameter: 1.9980 INCHES MINIMUM AND 1.9990 INCHES MAXIMUM IN. 15 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.