PartsTable TECHNICAL DATA SHEET
NSN 4820-01-004-2860Government record, cited

Regulator, Thermostatic Temperatu4820-01-004-2860

NSN 4820-01-004-2860 · NIIN 010042860 · Part number XB1019FW558A
Emerson Electric Co Alco Controls Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 70255
Government record, cited
NSN 4820-01-004-2860 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-004-2860. Manufacturer of record part number: XB1019FW558A.
Also searched as  4820-01-004-2860 · 4820010042860 · NIIN 010042860 · 01-004-2860 · FSC 4820 Valves, Nonpowered · CAGE 70255 · XB1019FW558A
Nearby stock numbers  ·
Features
  • Regulator,thermostatic Temperatu — FSC 4820
  • Mounting Method: FLANGE
  • Capillary Tube Length: 480.000 INCHES NOMINAL IN
  • Thermostat Type: BULB
  • Usage Design: POWER ASSY.REGULATES TEMP.IN ALCO CONTROLS T SERIES EXPANSION VALVES
  • 1 manufacturer part number on file
  • Manufacturer of record: Emerson Electric Co Alco Controls Div
Identification
  • NSN: 4820-01-004-2860
  • NIIN: 010042860
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: XB1019FW558A
  • Manufacturer: Emerson Electric Co Alco Controls Div
General Description

The Regulator,thermostatic Temperatu, cataloged under National Stock Number 4820-01-004-2860, 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-004-2860
Primary Part NumberXB1019FW558A
Item NameRegulator,thermostatic Temperatu
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerEmerson Electric Co Alco Controls Div
StatusACTIVE
Mounting MethodFLANGE
Capillary Tube Length480.000 INCHES NOMINAL IN
Thermostat TypeBULB
Usage DesignPOWER ASSY.REGULATES TEMP.IN ALCO CONTROLS T SERIES EXPANSION VALVES
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
XB1019FW558A PRIMARY Emerson Electric Co Alco Controls Div (USA)
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-004-2860?

NSN 4820-01-004-2860 is a Regulator,thermostatic Temperatu, manufactured by Emerson Electric Co Alco Controls Div, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-004-2860?

NSN 4820-01-004-2860 has 1 manufacturer part number on file: XB1019FW558A (Emerson Electric Co Alco Controls Div).

What are the specifications of XB1019FW558A?

Key specifications for XB1019FW558A: Mounting Method: FLANGE; Capillary Tube Length: 480.000 INCHES NOMINAL IN; Thermostat Type: BULB; Special Features: INTERNAL EQUALIZER;MEDIA REFRIGERANT R-12;MAX.OPERATING PRESSURE 55.0 PSI;FURN W/GASKETS AND BULB CLAMPS. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-004-2860 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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