The Shaft,shouldered, cataloged under National Stock Number 3040-01-284-6925, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Flint & Walling, Inc. Dba Star Water Systems. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-284-6925 |
| Primary Part Number | 129190 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Flint & Walling, Inc. Dba Star Water Systems |
| Status | ACTIVE |
| Second End Hole Diameter | 0.3750 INCHES NOMINAL IN |
| Step Quantity | 3 |
| First End Diameter | 0.4375 INCHES NOMINAL IN |
| Second End Diameter | 1.1250 INCHES NOMINAL IN |
| Largest Step Diameter | 1.125 INCHES NOMINAL IN |
| First End External Thread Length | 0.6875 INCHES NOMINAL IN |
| First End Style | EXTERNAL THREADED |
| Second End Distance From Hole Center to End | 1.0312 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | UNTHREADED CROSS DRILLED |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 129190 PRIMARY | Flint & Walling, Inc. Dba Star Water Systems (USA) |
NSN 3040-01-284-6925 is a Shaft,shouldered, manufactured by Flint & Walling, Inc. Dba Star Water Systems, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-284-6925 has 1 manufacturer part number on file: 129190 (Flint & Walling, Inc. Dba Star Water Systems).
Key specifications for 129190: Second End Hole Diameter: 0.3750 INCHES NOMINAL IN; Step Quantity: 3; First End Diameter: 0.4375 INCHES NOMINAL IN; Second End Diameter: 1.1250 INCHES NOMINAL IN. 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.
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.