The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-508-7792, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dh Instruments Inc.. Government technical data includes 7 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 | 4820-01-508-7792 |
| Primary Part Number | 401755 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dh Instruments Inc. |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| Body Style | STRAIGHT THRU |
| Third End Relationship with Preceding Ends | NOT IDENTICAL WITH FIRST OR SECOND END |
| End Connection Quantity | 3 |
| Valve Size | 0.250 INCHES IN |
| Valve Loading Method | SPRING |
| Furnished Items | ADAPTER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-01-508-7792 is a Valve,regulating,fluid Pressure, manufactured by Dh Instruments Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-508-7792 has 2 manufacturer part numbers on file: 401755 (Dh Instruments Inc.), 63BUL (Dh Instruments Inc.).
Key specifications for 401755: Flow Control Device: DIAPHRAGM; Body Style: STRAIGHT THRU; Third End Relationship with Preceding Ends: NOT IDENTICAL WITH FIRST OR SECOND END; End Connection Quantity: 3. 7 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.