The Piston,valve,directional Control, cataloged under National Stock Number 1650-00-847-8539, 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 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-847-8539 |
| Item Name | Piston,valve,directional Control |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| FSC Application Data | VALVE,LINEAR,DIRECTIONAL CONTROL |
| General Characteristics Item Description | STEEL,PASSIVATE,0.383 TO 0.389 IN LG,0.528 TO 0.529 IN O/A OD,GROOVEDFOR O RING PACKING IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 369592-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-00-847-8539 is a Piston,valve,directional Control, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
Key specifications for 1650-00-847-8539: FSC Application Data: VALVE,LINEAR,DIRECTIONAL CONTROL; General Characteristics Item Description: STEEL,PASSIVATE,0.383 TO 0.389 IN LG,0.528 TO 0.529 IN O/A OD,GROOVEDFOR O RING PACKING IN. 2 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.
NSN 1650-00-847-8539 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.