The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-690-5609, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tescom Corp Dba Tescom Div Tescom. Government technical data includes 10 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-690-5609 |
| Primary Part Number | 44-1126 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tescom Corp Dba Tescom Div Tescom |
| Status | ACTIVE |
| Flow Control Device | PISTON |
| Body Style | DROP-IN CARTRIDGE |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| End Connection Quantity | 2 |
| Valve Loading Method | SPRING |
| Material | STEEL COMP 303 OR STEEL COMP 316 BODY |
| Outlet Pressure Accuracy Rating | ERR-060 |
| Media for Which Designed | NITROGEN, LIQUID |
| Maximum Inlet Pressure Rating | ERR-060 |
| 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 |
|---|---|
| 44-1126 PRIMARY | Tescom Corp Dba Tescom Div Tescom (USA) |
NSN 4820-01-690-5609 is a Valve,regulating,fluid Pressure, manufactured by Tescom Corp Dba Tescom Div Tescom, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-690-5609 has 1 manufacturer part number on file: 44-1126 (Tescom Corp Dba Tescom Div Tescom).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-728-6232. Verify interchangeability with system specifications before substitution.
Key specifications for 44-1126: Flow Control Device: PISTON; Body Style: DROP-IN CARTRIDGE; Regulation Type: AUTOMATIC SINGLE STAGE; End Connection Quantity: 2. 10 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.