The Valve Assembly,manifold, cataloged under National Stock Number 4820-01-626-6284, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Watts Regulator Company. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-626-6284 |
| Primary Part Number | F391008 LF909QT-FS |
| Item Name | Valve Assembly,manifold |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Watts Regulator Company |
| Status | ACTIVE |
| Valve Quantity | 2 |
| Maximum Operating Temp and Media for Which Designed | 140.0 FAHRENHEIT WATER DEGF |
| Operating Pressure and Type | 175.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LBS |
| End Connection Quantity | 2 |
| Valve Size | 0.750 INCHES IN |
| 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 |
|---|---|
| F391008 LF909QT-FS PRIMARY | Watts Regulator Company (USA) |
| Reference | Meaning |
|---|---|
| LF909-QT | 5/9 Secondary reference Watts Regulator Company |
| 0391008 | 3/9 Design control — primary reference Watts Regulator Company |
| 0391008 3/4 LF909-QT | 5/9 Secondary reference Watts Regulator Company |
NSN 4820-01-626-6284 is a Valve Assembly,manifold, manufactured by Watts Regulator Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-626-6284 has 1 manufacturer part number on file: F391008 LF909QT-FS (Watts Regulator Company).
Key specifications for F391008 LF909QT-FS: Valve Quantity: 2; Maximum Operating Temp and Media for Which Designed: 140.0 FAHRENHEIT WATER DEGF; Operating Pressure and Type: 175.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LBS; End Connection Quantity: 2. 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.