The Valve Assembly,manifold, cataloged under National Stock Number 4820-01-398-0438, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-398-0438 |
| Item Name | Valve Assembly,manifold |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Maximum Operating Temp and Media for Which Designed | 160.0 FAHRENHEIT FUEL/OIL, HYDROCARBON DEGF |
| Operating Pressure and Type | 55.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED LBS |
| End Connection Quantity | 2 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 128SCP181-9 | 7/9 Vendor item drawing reference Northrop Grumman Systems Corporation |
| 2900022-101 | 3/2 Design control — primary reference U.S. Government activity |
| 2900022 | 5/2 Secondary reference U.S. Government activity |
| 128SCP181-9 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
NSN 4820-01-398-0438 is a Valve Assembly,manifold, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-398-0438: Maximum Operating Temp and Media for Which Designed: 160.0 FAHRENHEIT FUEL/OIL, HYDROCARBON DEGF; Operating Pressure and Type: 55.0 POUNDS PER SQUARE INCH (PSI) HYDROCARBON FUEL OR OIL MAXIMUM REQUIRED LBS; End Connection Quantity: 2; Special Features: VALVE ASSEMBLY (DUAL SEAT)P.P.-FUEL SYSTEM-MAIN TANK-SHUT OFF. 3 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 4820-01-398-0438 has DEMIL Code D. 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.