The Shaft,straight, cataloged under National Stock Number 3040-01-325-2356, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-325-2356 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Second End Hole Diameter | 0.5600 INCHES NOMINAL IN |
| Second End Flat Length | 0.4380 INCHES NOMINAL IN |
| First End Diameter | 4.0000 INCHES NOMINAL IN |
| Second End Diameter | 4.0000 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Material Document and Classification | ASTM A519,R/M 1470L ASSN STD SINGLE MATERIAL RESPONSE |
| Second End Distance From Hole Center to End | 17.5000 INCHES NOMINAL IN |
| Second End Hole Depth | 1.0000 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | CROSS DRILLED AND FLATTED |
| Material | STEEL COMP 1026 |
| Second End Flat Depth | 0.5300 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 |
| Reference | Meaning |
|---|---|
| SW28444 | 3/2 Design control — primary reference U.S. Government activity |
| 3040013252356 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 3040-01-325-2356 is a Shaft,straight, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-325-2356: Second End Hole Diameter: 0.5600 INCHES NOMINAL IN; Second End Flat Length: 0.4380 INCHES NOMINAL IN; First End Diameter: 4.0000 INCHES NOMINAL IN; Second End Diameter: 4.0000 INCHES NOMINAL IN. 12 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.