The Shaft,shouldered, cataloged under National Stock Number 3040-01-408-9991, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-408-9991 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Step Quantity | 7 |
| First End Diameter | 0.3730 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED, CROSS DRILLED HOLE AND SPLINED (STRAIGHT) |
| Material Document and Classification | AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE |
| First End Spline Length | 0.3350 INCHES NOMINAL IN |
| First End Spline Quantity | 11 |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.3350 INCHES NOMINAL IN |
| First End Hole Diameter | 0.1050 INCHES NOMINAL IN |
| Material | STEEL |
| First End Groove Width | 0.0600 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 540-0389-1 | 3/9 Design control — primary reference Grimes Aerospace Co |
| 15P60-1 | 5/9 Secondary reference Grimes Aerospace Co |
NSN 3040-01-408-9991 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-408-9991: Step Quantity: 7; First End Diameter: 0.3730 INCHES NOMINAL IN; First End Style: CIRCULAR GROOVED, CROSS DRILLED HOLE AND SPLINED (STRAIGHT); Material Document and Classification: AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE. 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.
NSN 3040-01-408-9991 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.