The Valve,regulating,temperature, cataloged under National Stock Number 4820-00-276-8965, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-276-8965 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Two-Way Valve Action | DIRECT ACTING |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| First End Style Designator | SOCKET W/BRAZING RING |
| Bulb Length | 5.438 INCHES NOMINAL AND 6.312 INCHES NOMINAL IN |
| Bulb Diameter | 0.750 INCHES NOMINAL IN |
| End Connection Quantity | 2 |
| Capillary Tube Length | 12.000 INCHES NOMINAL AND 48.000 INCHES NOMINAL IN |
| First End Connection Type | UNTHREADED INTERNAL PIPE |
| Temp Adjustability | ADJUSTABLE |
| Thermostatic Element | DUCT TYPE |
| First End Outside Diameter Tube Accommodated | 1.250 INCHES NOMINAL IN |
| Material | COPPER ALLOY BODY |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | STEEL AND STEEL CORROSION RESISTING BULB |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| HC47118L | 5/9 Secondary reference Spirax Sarco Inc Dba Spirax Sarco |
| MILV3155 | 4/1 Identification reference U.S. Government activity |
NSN 4820-00-276-8965 is a Valve,regulating,temperature, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-00-276-8965: Flow Control Device: POPPET; Two-Way Valve Action: DIRECT ACTING; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU. 17 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.