The Valve,regulating,temperature, cataloged under National Stock Number 4820-01-589-9921, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-589-9921 |
| Item Name | Valve,regulating,temperature |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Temp Rating | 55.0 FAHRENHEIT MINIMUM AND 240.0 FAHRENHEIT MAXIMUM DEGF |
| Valve Size | 4.000 INCHES IN |
| 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 |
|---|---|
| 4BRCB10507 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-589-9921 is a Valve,regulating,temperature, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-589-9921: Temp Rating: 55.0 FAHRENHEIT MINIMUM AND 240.0 FAHRENHEIT MAXIMUM DEGF; Valve Size: 4.000 INCHES IN; Part Name Assigned by Controlling Agency: VALVE,REGULATING,TEMPERATURE; End Item Identification: 083 MAIN REDUCTION GEAR .COMBAT REPLENISHMENT SHIP (BAC) CANTABRIA. 2 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.