The Valve Assembly,manifold, cataloged under National Stock Number 4820-01-503-5563, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Aqua-Chem, Inc. Dba Aqua-Chem Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-503-5563 |
| Primary Part Number | 739-07604-000 |
| Item Name | Valve Assembly,manifold |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Aqua-Chem, Inc. Dba Aqua-Chem Inc |
| Status | ACTIVE |
| 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 |
| Connection Type | THREADED INTERNAL PIPE |
| End Connection Quantity | 2 |
| Thread Series Designator | NPT |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 739-07604-000 PRIMARY | Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA) |
| Reference | Meaning |
|---|---|
| 909M1LF-2IN | 5/9 Secondary reference Watts Regulator Company |
| 098268202342 | 5/9 Secondary reference Watts Regulator Company |
NSN 4820-01-503-5563 is a Valve Assembly,manifold, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-503-5563 has 1 manufacturer part number on file: 739-07604-000 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
Key specifications for 739-07604-000: Overall Height: 12.000 INCHES NOMINAL IN; 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; Connection Type: THREADED INTERNAL PIPE. 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.