The Shaft,shouldered, cataloged under National Stock Number 3040-00-402-7900, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Autodyne Manufacturing Co Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-402-7900 |
| Primary Part Number | SM-D-374916-3 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Autodyne Manufacturing Co Inc |
| Status | ACTIVE |
| Step Quantity | 3 |
| First End Diameter | 0.2495 INCHES MINIMUM AND 0.2498 INCHES MAXIMUM IN |
| Second End Diameter | 0.2495 INCHES MINIMUM AND 0.2498 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.220 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Groove Diameter | 0.2200 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.0030 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.156 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED |
| Material | PLASTIC OR STEEL CORROSION RESISTING |
| 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 |
|---|---|
| SM-D-374916-3 | Autodyne Manufacturing Co Inc (USA) |
| 438046-3 | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| 3040004027900 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 3040004027900 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| SM-D-374916-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-402-7900 is a Shaft,shouldered, manufactured by Autodyne Manufacturing Co Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-402-7900 has 2 manufacturer part numbers on file: SM-D-374916-3 (Autodyne Manufacturing Co Inc), 438046-3 (Raytheon Company).
Key specifications for SM-D-374916-3: Step Quantity: 3; First End Diameter: 0.2495 INCHES MINIMUM AND 0.2498 INCHES MAXIMUM IN; Second End Diameter: 0.2495 INCHES MINIMUM AND 0.2498 INCHES MAXIMUM IN; Largest Step Diameter: 0.220 INCHES NOMINAL IN. 11 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.