The Shaft,shouldered, cataloged under National Stock Number 3040-01-385-6994, 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 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-385-6994 |
| Primary Part Number | 5749849-015 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Step Quantity | 6 |
| Largest Step Diameter | 5.000 INCHES NOMINAL IN |
| First End Style | TWO FLAT KEYWAYS |
| End Similarity | NOT IDENTICAL |
| First End Angle Between Keyways | 180.0 DEGREES NOMINAL |
| Material | STEEL COMP 17-4PH |
| External Keyway Length | 2.0000 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.2480 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 |
|---|---|
| 5749849-015 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5749849-015 | 5/9 Secondary reference Textron Systems Corp |
NSN 3040-01-385-6994 is a Shaft,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-385-6994 has 1 manufacturer part number on file: 5749849-015 (Naval Sea Systems Command).
Key specifications for 5749849-015: Step Quantity: 6; Largest Step Diameter: 5.000 INCHES NOMINAL IN; First End Style: TWO FLAT KEYWAYS; Overall Length: 37.560 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.