The Regulator,thermostatic Temperatu, cataloged under National Stock Number 4820-01-046-3498, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Electric Co Alco Controls Div. Government technical data includes 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-046-3498 |
| Primary Part Number | XC726FW552B |
| Item Name | Regulator,thermostatic Temperatu |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Emerson Electric Co Alco Controls Div |
| Status | ACTIVE |
| Mounting Method | FLANGE |
| Capillary Tube Length | 120.000 INCHES NOMINAL IN |
| Thermostat Type | BULB |
| Usage Design | POWER ASSY.CONTROLS FLOW AND REGULATES TEMP.IN ALCO CONTROLS THERMO-EXPANSION VALVES |
| 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 |
|---|---|
| XC726FW552B PRIMARY | Emerson Electric Co Alco Controls Div (USA) |
| Reference | Meaning |
|---|---|
| XC726FW5523B | 5/9 Secondary reference Emerson Electric Co Alco Controls Div |
| 1001807-P1 | C/1 Advisory reference — outside the item-of-supply concept Tld Ace Corp Div Tld Ace |
| 1001807-P5 | C/1 Advisory reference — outside the item-of-supply concept Tld Ace Corp Div Tld Ace |
NSN 4820-01-046-3498 is a Regulator,thermostatic Temperatu, manufactured by Emerson Electric Co Alco Controls Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-046-3498 has 1 manufacturer part number on file: XC726FW552B (Emerson Electric Co Alco Controls Div).
Key specifications for XC726FW552B: Mounting Method: FLANGE; Capillary Tube Length: 120.000 INCHES NOMINAL IN; Thermostat Type: BULB; Special Features: 1/4 IN.MALE FLARE EXTERNAL EQUALIZER;MEDIA REFRIGERANT R-12;55.0 PSI MAX.;FURN W/GASKETS AND BULB CLAMPS IN. 4 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.