The Valve,regulating,system Pressure, cataloged under National Stock Number 4820-01-562-9863, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Norgren C a Co. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-562-9863 |
| Primary Part Number | B38-440-A1LA |
| Item Name | Valve,regulating,system Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Norgren C a Co |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| Second End Relationship with First End | IDENTICAL |
| First End Style Designator | PLAIN |
| Temp Rating | -40.0 CELSIUS MINIMUM AND 80.0 CELSIUS MAXIMUM DEGC |
| End Connection Quantity | 2 |
| First End Connection Type | THREADED INTERNAL PIPE |
| Material | STEEL CORROSION RESISTING BODY |
| Outlet Pressure Accuracy Rating | ERR-060 |
| Media for Which Designed | AIR |
| Maximum Inlet Pressure Rating | ERR-060 |
| Thread Size and Series/type Designator | 0 PTF-SPL FIRST END |
| Filter | INCLUDED |
| 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 |
|---|---|
| B38-440-A1LA PRIMARY | Norgren C a Co (USA) |
| 7555061-F77 | Naval Sea Systems Command (USA) |
NSN 4820-01-562-9863 is a Valve,regulating,system Pressure, manufactured by Norgren C a Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-562-9863 has 2 manufacturer part numbers on file: B38-440-A1LA (Norgren C a Co), 7555061-F77 (Naval Sea Systems Command).
Key specifications for B38-440-A1LA: Flow Control Device: DIAPHRAGM; Second End Relationship with First End: IDENTICAL; First End Style Designator: PLAIN; Temp Rating: -40.0 CELSIUS MINIMUM AND 80.0 CELSIUS MAXIMUM DEGC. 12 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.