The Shaft,shouldered, cataloged under National Stock Number 3040-01-023-9946, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-023-9946 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Second End Grooved Flat Length | 0.2470 INCHES MINIMUM AND 0.2530 INCHES MAXIMUM IN |
| Step Quantity | 4 |
| First End Diameter | 0.2168 INCHES MINIMUM AND 0.2188 INCHES MAXIMUM IN |
| Second End Distance From End to Flat | 0.052 INCHES MINIMUM AND 0.058 INCHES MAXIMUM IN |
| Second End Diameter | 0.2168 INCHES MINIMUM AND 0.2188 INCHES MAXIMUM IN |
| Largest Step Diameter | 0.216 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN |
| First End Hole Depth | 0.1245 INCHES MINIMUM AND 0.1249 INCHES MAXIMUM IN |
| First End Style | UNTHREADED CROSS DRILLED |
| Material Document and Classification | QQ-S-764 CLASS 303 COND 4 FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| First End Hole Diameter | 0.0420 INCHES MINIMUM AND 0.0430 INCHES MAXIMUM IN |
| Second End Grooved Flat Depth | 0.103 INCHES MINIMUM AND 0.107 INCHES MAXIMUM IN |
| Second End Style | FLAT GROOVED |
| Material | STEEL CORROSION RESISTING |
| First End Distance From Hole Center to End | 0.0865 INCHES MINIMUM AND 0.8770 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 |
| Reference | Meaning |
|---|---|
| 35451500050 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-023-9946 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-023-9946: Second End Grooved Flat Length: 0.2470 INCHES MINIMUM AND 0.2530 INCHES MAXIMUM IN; Step Quantity: 4; First End Diameter: 0.2168 INCHES MINIMUM AND 0.2188 INCHES MAXIMUM IN; Second End Distance From End to Flat: 0.052 INCHES MINIMUM AND 0.058 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.