The Regulator,thermostatic Temperatu, cataloged under National Stock Number 4820-01-420-2140, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Itt Fluid Technology Corp Itt Mcdonnell and Miller. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-420-2140 |
| Primary Part Number | 400567 |
| Item Name | Regulator,thermostatic Temperatu |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Itt Fluid Technology Corp Itt Mcdonnell and Miller |
| Status | ACTIVE |
| Flow Control Device | DISK |
| End Item Source | 03950 |
| Bulb Length | 18.000 INCHES NOMINAL IN |
| End Item Name | REGULATOR |
| Bulb Diameter | 0.875 INCHES MINIMUM AND 18.000 INCHES MAXIMUM IN |
| Capillary Tube Length | 120.000 INCHES NOMINAL IN |
| Valve Size for Which Designed | 0.500 INCHES IN |
| Operating Temp Rating | 120.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM DEGF |
| Thermostat Type | BELLOWS |
| Usage Design | REGULATES MEDA FLOW THROUGH VALVE |
| Opening Temp Rating | 120.0 FAHRENHEIT NOMINAL DEGF |
| 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 |
|---|---|
| 400567 PRIMARY | Itt Fluid Technology Corp Itt Mcdonnell and Miller (USA) |
NSN 4820-01-420-2140 is a Regulator,thermostatic Temperatu, manufactured by Itt Fluid Technology Corp Itt Mcdonnell and Miller, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-420-2140 has 1 manufacturer part number on file: 400567 (Itt Fluid Technology Corp Itt Mcdonnell and Miller).
Key specifications for 400567: Flow Control Device: DISK; End Item Source: 03950; Bulb Length: 18.000 INCHES NOMINAL IN; End Item Name: REGULATOR. 11 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.