The Shaft,shouldered, cataloged under National Stock Number 3040-01-054-4098, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Delco Remy America Inc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-054-4098 |
| Primary Part Number | 1851953 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Delco Remy America Inc |
| Status | ACTIVE |
| Step Quantity | 3 |
| First End Diameter | 0.5000 INCHES NOMINAL IN |
| Second End Diameter | 0.5000 INCHES NOMINAL IN |
| Largest Step Diameter | 0.500 INCHES NOMINAL IN |
| First End Style | CIRCULAR GROOVED |
| Second End Groove Diameter | 0.4190 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Distance From End to Groove | 0.050 INCHES NOMINAL IN |
| Second End Groove Width | 0.0950 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.125 INCHES NOMINAL IN |
| First End Groove Diameter | 0.3490 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED |
| Material | STEEL |
| First End Groove Width | 0.0380 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 |
| Part Number | Manufacturer |
|---|---|
| 1851953 PRIMARY | Delco Remy America Inc (USA) |
| Reference | Meaning |
|---|---|
| 1851953 | 5/9 Secondary reference General Motors Corp Delco Remy Div |
NSN 3040-01-054-4098 is a Shaft,shouldered, manufactured by Delco Remy America Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-054-4098 has 1 manufacturer part number on file: 1851953 (Delco Remy America Inc).
Key specifications for 1851953: Step Quantity: 3; First End Diameter: 0.5000 INCHES NOMINAL IN; Second End Diameter: 0.5000 INCHES NOMINAL IN; Largest Step Diameter: 0.500 INCHES NOMINAL IN. 14 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.