The Shaft,shouldered, cataloged under National Stock Number 3040-00-105-5146, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Cartridge Actuated Devices Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-105-5146 |
| Primary Part Number | 12019-A |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Cartridge Actuated Devices Inc |
| Status | ACTIVE |
| Second End External Thread Length | 0.875 INCHES NOMINAL IN |
| Step Quantity | 5 |
| First End Diameter | 1.0000 INCHES NOMINAL IN |
| Second End Diameter | 2.8750 INCHES NOMINAL IN |
| Largest Step Diameter | 1.375 INCHES NOMINAL IN |
| First End Style | FLAT KEYWAY |
| First End Keyway Depth | 0.142 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | EXTERNAL THREADED |
| Material | STEEL |
| External Keyway Length | 1.062 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.2500 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 |
|---|---|
| 12019-A PRIMARY | Cartridge Actuated Devices Inc (USA) |
| Reference | Meaning |
|---|---|
| 12019A | 5/9 Secondary reference Parker-Hannifin Corp Div Cylinder Division, Custom Cylinder Operations |
NSN 3040-00-105-5146 is a Shaft,shouldered, manufactured by Cartridge Actuated Devices Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-105-5146 has 1 manufacturer part number on file: 12019-A (Cartridge Actuated Devices Inc).
1 possible match (shared part number, not a government interchangeability claim): 6625-00-423-6929. Verify interchangeability with system specifications before substitution.
Key specifications for 12019-A: Second End External Thread Length: 0.875 INCHES NOMINAL IN; Step Quantity: 5; First End Diameter: 1.0000 INCHES NOMINAL IN; Second End Diameter: 2.8750 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.