The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-180-5159, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Flair Corporation Dba S P X Air Treatment Div Dehydration. Government technical data includes 12 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 | 4820-01-180-5159 |
| Primary Part Number | 4130.690.5 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Flair Corporation Dba S P X Air Treatment Div Dehydration |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Regulation Type | AUTOMATIC SINGLE STAGE |
| First End Style Designator | SOCKET |
| End Connection Quantity | 2 |
| Valve Loading Method | SPRING |
| First End Connection Type | UNTHREADED INTERNAL TUBE |
| First End Outside Diameter Tube Accommodated | 0.625 INCHES NOMINAL IN |
| Material | ALUMINUM AND STEEL BODY |
| Media for Which Designed | FREON USE REFRIGERANT |
| 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 |
|---|---|
| 4130.690.5 PRIMARY | Flair Corporation Dba S P X Air Treatment Div Dehydration (USA) |
NSN 4820-01-180-5159 is a Valve,regulating,fluid Pressure, manufactured by Flair Corporation Dba S P X Air Treatment Div Dehydration, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-180-5159 has 1 manufacturer part number on file: 4130.690.5 (Flair Corporation Dba S P X Air Treatment Div Dehydration).
Key specifications for 4130.690.5: Flow Control Device: DISK; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU; Regulation Type: AUTOMATIC SINGLE STAGE. 12 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.