The Fuse,hydraulic System, cataloged under National Stock Number 1650-01-190-2979, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1650-01-190-2979 |
| Item Name | Fuse,hydraulic System |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| Connection Port Quantity | 2 |
| Reset Button | NOT INCLUDED |
| Port Connection Type | FEMALE AND MALE |
| Setting Lever | NOT INCLUDED |
| Pipe Accommodation Diameter | 0.375 INCHES NOMINAL IN |
| Material | STEEL BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| HEC0017 | 5/9 Secondary reference U.S. Government activity |
| HEC0017 | 5/9 Secondary reference Trump Ted Co the |
| 252-3-3.3 | 3/9 Design control — primary reference Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division |
| 252-3-3.3 | 5/9 Secondary reference U.S. Government activity |
NSN 1650-01-190-2979 is a Fuse,hydraulic System, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5315-01-406-5619. Verify interchangeability with system specifications before substitution.
Key specifications for 1650-01-190-2979: Connection Port Quantity: 2; Reset Button: NOT INCLUDED; Port Connection Type: FEMALE AND MALE; Overall Length: 0.750 INCHES NOMINAL IN. 6 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.