The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-442-3986, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 9 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 | 4820-01-442-3986 |
| Primary Part Number | 40010-701 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
| Status | ACTIVE |
| Flow Control Device | BELLOWS AND BULB |
| Temp Rating | 425.0 FAHRENHEIT MAXIMUM DEGF |
| Temp Adjustability | ADJUSTABLE |
| Thermostatic Element | INTEGRAL W/VALVE |
| Material | COPPER ALLOY BODY |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | STEEL CORROSION RESISTING STEM |
| Material | COPPER ALLOY AND STEEL CORROSION RESISTING PACKING |
| Furnished Items | BONNET AND NUT AND ADJUSTMENT STEM |
| 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 |
|---|---|
| 40010-701 PRIMARY | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
NSN 4820-01-442-3986 is a Valve,regulating,temperature, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-442-3986 has 1 manufacturer part number on file: 40010-701 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
Key specifications for 40010-701: Flow Control Device: BELLOWS AND BULB; Temp Rating: 425.0 FAHRENHEIT MAXIMUM DEGF; Temp Adjustability: ADJUSTABLE; Special Features: MAXIMUM RATED PRESSURE 100 PSIG; 0.500 INCH TRAC STYLE "A" SINGLE SEAT VALVE; CAST ON BODY IN. 9 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.