The Valve,plug, cataloged under National Stock Number 4820-01-523-2228, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corp Div Instrumentation Products Division. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-523-2228 |
| Primary Part Number | 4F-PR4-VT-B |
| Item Name | Valve,plug |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corp Div Instrumentation Products Division |
| Status | ACTIVE |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Flow Style | TWO-WAY TWO PORT 90 DEGREE PLUG TURN |
| Maximum Operating Temp | 450.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Outside Diameter | 0.187 INCHES ALL ENDS IN |
| Media for Which Designed | AIR FIRST RESPONSE |
| Media for Which Designed | WATER, FRESH SECOND RESPONSE |
| Material | COPPER ALLOY BODY |
| Material | RUBBER PACKING |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 904697 | Navantia - Propulsion Y Energia Motores - Cartagena (ESP) |
| 904697 | Navantia Sa Sme. Div Navantia Hq (ESP) |
| 4F-PR4-VT-B PRIMARY | Parker-Hannifin Corp Div Instrumentation Products Division (USA) |
NSN 4820-01-523-2228 is a Valve,plug, manufactured by Parker-Hannifin Corp Div Instrumentation Products Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-523-2228 has 3 manufacturer part numbers on file: 904697 (Navantia - Propulsion Y Energia Motores - Cartagena), 904697 (Navantia Sa Sme. Div Navantia Hq), 4F-PR4-VT-B (Parker-Hannifin Corp Div Instrumentation Products Division).
Key specifications for 4F-PR4-VT-B: Connection Style: FLARED (TUBE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Flow Style: TWO-WAY TWO PORT 90 DEGREE PLUG TURN; Maximum Operating Temp: 450.0 FAHRENHEIT SINGLE RESPONSE DEGF. 10 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.