The Valve,pressure Equalizing,gaseou, cataloged under National Stock Number 4820-01-723-5713, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fluid Process Control Corp. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-723-5713 |
| Primary Part Number | 559T1-6M-5 |
| Item Name | Valve,pressure Equalizing,gaseou |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fluid Process Control Corp |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Body Style | SINGLE CONNECTION, STRAIGHT FLOW |
| Face to Face Distance | 2.31 INCHES NOMINAL IN |
| Body Outside Diameter | 1.45 INCHES NOMINAL IN |
| Material Document and Classification | AISI304 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| End Connection Quantity | 1 |
| Opening Pressure Setting | ERR-060 |
| First End Connection Type | THREADED EXTERNAL PIPE |
| Material | STEEL COMP 304 BODY |
| Valve Relief Design Type | PRESSURE |
| 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 |
|---|---|
| 559T1-6M-5 | Fluid Process Control Corp (USA) |
| 559T1-6M-5 | Circle Valve Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 559T1-6M-5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-723-5713 is a Valve,pressure Equalizing,gaseou, manufactured by Fluid Process Control Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-723-5713 has 2 manufacturer part numbers on file: 559T1-6M-5 (Fluid Process Control Corp), 559T1-6M-5 (Circle Valve Technologies Inc).
Key specifications for 559T1-6M-5: Flow Control Device: POPPET; Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Body Style: SINGLE CONNECTION, STRAIGHT FLOW; Face to Face Distance: 2.31 INCHES NOMINAL IN. 11 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.