The Shaft,shouldered, cataloged under National Stock Number 3040-00-126-8468, 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12 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-126-8468 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Step Quantity | 3 |
| First End Diameter | 0.6250 INCHES NOMINAL IN |
| Second End Diameter | 0.7970 INCHES NOMINAL IN |
| Largest Step Diameter | 0.797 INCHES NOMINAL IN |
| First End External Thread Length | 0.500 INCHES NOMINAL IN |
| Second End Distance From Keyway Center to End | 0.479 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| Second End Keyway Width | 0.1560 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | INDENTED FLAT KEYWAY |
| Material | STEEL |
| External Keyway Length | 0.656 INCHES NOMINAL SECOND END 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 |
|---|---|
| 164 | 5/9 Secondary reference Aurora Pump a Unit of General Signal Corp |
| 913214 | 5/9 Secondary reference Aqua-Chem Inc Cleaver-Brooks Div |
| 728-0235-104 | 3/9 Design control — primary reference Aurora Pump a Unit of General Signal Corp |
| 913214 | C/1 Advisory reference — outside the item-of-supply concept Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| 5T6ASS | 5/9 Secondary reference Aurora Pump a Unit of General Signal Corp |
NSN 3040-00-126-8468 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 3040-00-737-2015, 1420-00-979-3168, 2930-01-422-1929. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-00-126-8468: Step Quantity: 3; First End Diameter: 0.6250 INCHES NOMINAL IN; Second End Diameter: 0.7970 INCHES NOMINAL IN; Largest Step Diameter: 0.797 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.