The Shaft,shouldered, cataloged under National Stock Number 3040-00-471-3686, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Instrument Systems Corp. 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 | 3040-00-471-3686 |
| Primary Part Number | 6019-438 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Instrument Systems Corp |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| FSC Application Data | INDICATOR BEARING HEADING FLIGHT CONTROL SYSTEM,AIRCRAFT |
| Step Quantity | 4 |
| First End Diameter | 0.3125 INCHES NOMINAL IN |
| Second End Diameter | 0.1240 INCHES NOMINAL IN |
| Largest Step Diameter | 0.312 INCHES NOMINAL IN |
| First End Style | PLAIN |
| End Similarity | NOT IDENTICAL |
| Second End Style | UNTHREADED CROSS DRILLED |
| Material | STEEL CORROSION RESISTING |
| Second End Internal Thread Length | 0.250 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 |
|---|---|
| 6019-438 PRIMARY | Instrument Systems Corp (USA) |
NSN 3040-00-471-3686 is a Shaft,shouldered, manufactured by Instrument Systems Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-471-3686 has 1 manufacturer part number on file: 6019-438 (Instrument Systems Corp).
Key specifications for 6019-438: Surface Finish: 125.0 MICROINCHES; FSC Application Data: INDICATOR BEARING HEADING FLIGHT CONTROL SYSTEM,AIRCRAFT; Step Quantity: 4; First End Diameter: 0.3125 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.