The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-050-7204, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 26 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-050-7204 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| First End Bolt Hole Quantity | 4 |
| Flow Control Device | DISK, FLAT, TOP AND BOTTOM GUIDED |
| Second End Relationship with First End | NOT IDENTICAL |
| Second End Thread Class | 2B |
| Body Style | STRAIGHT THRU |
| First End Flange Thickness | 0.250 INCHES NOMINAL IN |
| First End Style Designator | PLAIN |
| First End Flange Width | 3.000 INCHES NOMINAL IN |
| First End Bolt Hole Diameter | 0.344 INCHES NOMINAL IN |
| First End Center to Center Distance Between Holes Along Width | 2.375 INCHES NOMINAL IN |
| First End Center to Center Distance Between Holes Along Length | 2.375 INCHES NOMINAL IN |
| End Connection Quantity | 2 |
| Second End Thread Direction | RIGHT-HAND |
| Second End Style Designator | PLAIN |
| First End Connection Type | PLAIN FACE FLANGE |
| Temp Adjustability | NOT ADJUSTABLE |
| Second End Thread Pitch Diameters | +1.8344 TO 1.8413 INCHES IN |
| First End Flange Shape Style | RECTANGULAR (INCLUDES SQUARE) |
| Thermostatic Element | INTEGRAL W/VALVE |
| Material | COPPER ALLOY BODY |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Material | COPPER ALLOY STEM |
| Material | COPPER ALLOY SEAT |
| First End Flange Length | 3.000 INCHES NOMINAL IN |
| Second End Connection Type | THREADED INTERNAL BOSS |
| Thread Size and Series/type Designator | 1-7/8-12 UN SECOND END |
| 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 |
|---|---|
| 26130105 | 3/9 Design control — primary reference U.S. Government activity |
| 10-60792-1 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-050-7204 is a Valve,regulating,temperature, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-050-7204: First End Bolt Hole Quantity: 4; Flow Control Device: DISK, FLAT, TOP AND BOTTOM GUIDED; Second End Relationship with First End: NOT IDENTICAL; Second End Thread Class: 2B. 26 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.