The Valve,regulating,temperature, cataloged under National Stock Number 4820-00-134-4445, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Richards Industries Valve Group Jordan Valve Div. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-134-4445 |
| Primary Part Number | D65026-80DI3-4 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Richards Industries Valve Group Jordan Valve Div |
| Status | ACTIVE |
| Flow Control Device | BULB |
| Two-Way Valve Action | REVERSE ACTING |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| First End Style Designator | PLAIN |
| Bulb Length | 9.325 INCHES NOMINAL IN |
| Bulb Diameter | 3.600 INCHES NOMINAL IN |
| Temp Rating | 120.0 FAHRENHEIT MINIMUM AND 185.0 FAHRENHEIT MAXIMUM DEGF |
| End Connection Quantity | 2 |
| Capillary Tube Length | 96.000 INCHES NOMINAL IN |
| Temp Adjustability | ADJUSTABLE |
| Thermostatic Element | LIQUID IMMERSION TYPE |
| Material | IRON BODY |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | STEEL CORROSION RESISTING BULB |
| Thread Size and Series/type Designator | 0.750-14 NPT FIRST END |
| 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 |
|---|---|
| D65026-80DI3-4 PRIMARY | Richards Industries Valve Group Jordan Valve Div (USA) |
| Reference | Meaning |
|---|---|
| LTCT20534-01 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 4820-00-134-4445 is a Valve,regulating,temperature, manufactured by Richards Industries Valve Group Jordan Valve Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-134-4445 has 1 manufacturer part number on file: D65026-80DI3-4 (Richards Industries Valve Group Jordan Valve Div).
Key specifications for D65026-80DI3-4: Flow Control Device: BULB; Two-Way Valve Action: REVERSE ACTING; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU. 16 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.