The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-036-2853, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fisher Controls Co Inc. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-036-2853 |
| Primary Part Number | 779K-1 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fisher Controls Co Inc |
| Status | ACTIVE |
| Flow Control Device | BELLOWS |
| Valve Stem Design | SINGLE SEAT |
| Renewable Seat Ring Type | BOLTED |
| Second End Relationship with First End | IDENTICAL |
| Remote Actuation Method | BELLOWS |
| Body Style | STRAIGHT THRU |
| Regulation Type | MANUAL SINGLE STAGE |
| First End Style Designator | PLAIN |
| Temp Rating | 200.0 FAHRENHEIT NOMINAL DEGF |
| End Connection Quantity | 2 |
| Valve Loading Method | SPRING |
| Material | BRASS SEAT |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Material | COPPER ALLOY STEM |
| Thread Size and Series/type Designator | 1/4-18 NPT FIRST END |
| Filter | NOT 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 |
|---|---|
| 779K-1 | Fisher Controls Co Inc (USA) |
| Reference | Meaning |
|---|---|
| X31915PC30 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4820-00-036-2853 is a Valve,regulating,fluid Pressure, manufactured by Fisher Controls Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-036-2853 has 1 manufacturer part number on file: 779K-1 (Fisher Controls Co Inc).
Key specifications for 779K-1: Flow Control Device: BELLOWS; Valve Stem Design: SINGLE SEAT; Renewable Seat Ring Type: BOLTED; Second End Relationship with First End: IDENTICAL. 16 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.