The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-558-0098, 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 23 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-558-0098 |
| Primary Part Number | 164A64 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fisher Controls Co Inc |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| Renewable Seat Ring Type | THREADED |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| Remote Actuation Method | DIAPHRAGM |
| Body Style | TEE |
| Face to Face Distance | 2.880 INCHES NOMINAL IN |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| Third End Relationship with Preceding Ends | IDENTICAL WITH FIRST END |
| First End Style Designator | PLAIN |
| Temp Rating | -20.0 FAHRENHEIT MINIMUM AND 150.0 FAHRENHEIT MAXIMUM DEGF |
| First Connection Face to Centerline Distance | 2.500 INCHES NOMINAL IN |
| End Connection Quantity | 3 |
| Valve Loading Method | SPRING |
| First End Connection Type | THREADED INTERNAL PIPE |
| Surface Treatment | ANODIZE OUTSIDE |
| Material | RUBBER SYNTHETIC FLOW CONTROL DEVICE |
| Material | RUBBER PACKING |
| Material | BRASS AND RUBBER SEAT |
| Media for Which Designed | AIR |
| Maximum Inlet Pressure Rating | ERR-060 |
| 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 |
|---|---|
| 164A64 PRIMARY | Fisher Controls Co Inc (USA) |
NSN 4820-00-558-0098 is a Valve,regulating,fluid Pressure, manufactured by Fisher Controls Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-558-0098 has 1 manufacturer part number on file: 164A64 (Fisher Controls Co Inc).
Key specifications for 164A64: Flow Control Device: DIAPHRAGM; Renewable Seat Ring Type: THREADED; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL. 23 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.