The Power Assembly,thermostatic Valv, cataloged under National Stock Number 4820-01-042-3191, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-042-3191 |
| Item Name | Power Assembly,thermostatic Valv |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF 1 EA CORROSION RESISTING STEEL ACTUATOR,1 EA 120.000 IN. COPPER CAPILLARY TUBE W/BRASS ARMOR,1 EA COPPER SENSING BULB W/ 1.500 IN. EXTERNALLY THREADED NPT TANK FITTING,TEMPERATURE RANGE 80.0 F TO 140.0 F IN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY CAPILLARY TUBE LENGTH,TEMPERATURE RANGE AND TANK FITTING SIZE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SWA-1.250 IN | 3/1 Design control — primary reference Richards Industries Valve Group Jordan Valve Div |
NSN 4820-01-042-3191 is a Power Assembly,thermostatic Valv, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-042-3191: General Characteristics Item Description: CONSISTS OF 1 EA CORROSION RESISTING STEEL ACTUATOR,1 EA 120.000 IN. COPPER CAPILLARY TUBE W/BRASS ARMOR,1 EA COPPER SENSING BULB W/ 1.500 IN. EXTERNALLY THREADED NPT TANK FITTING,TEMPERATURE RANGE 80.0 F TO 140.0 F IN; End Item Identification: JORDAN VALVE CO 1.250 IN. MARK 80 TEMPERATURE REGULATOR IN; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY CAPILLARY TUBE LENGTH,TEMPERATURE RANGE AND TANK FITTING SIZE. 2 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.