The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-196-0510, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-196-0510 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| First End Style Designator | STREAMLINED WITH TWO BRAZING RINGS |
| End Connection Quantity | 2 |
| First End Connection Type | UNTHREADED INTERNAL TUBE |
| Thermostatic Element | INTEGRAL W/VALVE |
| First End Outside Diameter Tube Accommodated | 0.750 INCHES NOMINAL IN |
| Material | COPPER ALLOY BODY |
| 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 |
|---|---|
| 40051-10 W/50002-49 ELMT | 3/9 Design control — primary reference Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
| 40051-10 | D/9 Drawing number reference only Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
NSN 4820-01-196-0510 is a Valve,regulating,temperature, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-196-1195. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-196-0510: Flow Control Device: DISK; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU; First End Style Designator: STREAMLINED WITH TWO BRAZING RINGS. 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.