The Valve,flow Control, cataloged under National Stock Number 4820-01-388-1423, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fisher Controls Co Inc. Government technical data includes 4 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 | 4820-01-388-1423 |
| Primary Part Number | F173 |
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fisher Controls Co Inc |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Operating Pressure and Type | 204.0 POUNDS PER SQUARE INCH (PSI) PROPANE MAXIMUM REQUIRED LBS |
| End Connection Quantity | 2 |
| Body Material | COPPER ALLOY |
| 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 |
|---|---|
| F173 PRIMARY | Fisher Controls Co Inc (USA) |
NSN 4820-01-388-1423 is a Valve,flow Control, manufactured by Fisher Controls Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-388-1423 has 1 manufacturer part number on file: F173 (Fisher Controls Co Inc).
Key specifications for F173: Flow Control Device: POPPET; Operating Pressure and Type: 204.0 POUNDS PER SQUARE INCH (PSI) PROPANE MAXIMUM REQUIRED LBS; End Connection Quantity: 2; Body Material: COPPER ALLOY. 4 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.