The Shaft,shouldered, cataloged under National Stock Number 3040-01-368-7609, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is The Dewey Electronics Corporation Div Pitometer Log Division. 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. 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 | 3040-01-368-7609 |
| Primary Part Number | 50134-1 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | The Dewey Electronics Corporation Div Pitometer Log Division |
| Status | ACTIVE |
| Step Quantity | 2 |
| First End Diameter | 1.0000 INCHES NOMINAL IN |
| Second End Diameter | 1.2670 INCHES NOMINAL IN |
| Largest Step Diameter | 1.2670 INCHES NOMINAL IN |
| First End Style | PLAIN |
| Second End Keyway Width | 0.3750 INCHES MAXIMUM IN |
| Second End Keyway Depth | 0.3750 INCHES MAXIMUM IN |
| End Similarity | NOT IDENTICAL |
| Second End Style | FLAT KEYWAY |
| Material | STEEL |
| External Keyway Length | 2.0000 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 |
| Part Number | Manufacturer |
|---|---|
| 50134-1 PRIMARY | The Dewey Electronics Corporation Div Pitometer Log Division (USA) |
NSN 3040-01-368-7609 is a Shaft,shouldered, manufactured by The Dewey Electronics Corporation Div Pitometer Log Division, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-368-7609 has 1 manufacturer part number on file: 50134-1 (The Dewey Electronics Corporation Div Pitometer Log Division).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-670-5699. Verify interchangeability with system specifications before substitution.
Key specifications for 50134-1: Step Quantity: 2; First End Diameter: 1.0000 INCHES NOMINAL IN; Second End Diameter: 1.2670 INCHES NOMINAL IN; Largest Step Diameter: 1.2670 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.