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NSN 4820-01-266-4226Government record, cited

Valve, Expansion4820-01-266-4226

NSN 4820-01-266-4226 · NIIN 012664226 · Part number 50004-09
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 55378
Government record, cited
NSN 4820-01-266-4226 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-266-4226. Manufacturer of record part number: 50004-09.
Also searched as  4820-01-266-4226 · 4820012664226 · NIIN 012664226 · 01-266-4226 · FSC 4820 Valves, Nonpowered · CAGE 55378 · 50004-09
Nearby stock numbers  ·
Features
  • Valve,expansion — FSC 4820
  • Flow Control Device: DISK, FLAT
  • Temp Rating: 90.0 FAHRENHEIT DEGF
  • Temp Rating: 60.0 FAHRENHEIT DEGF
  • Capillary Tube Length: 120.000 INCHES NOMINAL IN
  • Material: COPPER ALLOY BODY
  • Valve Expansion Control Type: THERMOSTATIC
  • 1 manufacturer part number on file
Identification
  • NSN: 4820-01-266-4226
  • NIIN: 012664226
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 50004-09
  • Manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
General Description

The Valve,expansion, cataloged under National Stock Number 4820-01-266-4226, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 6 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
NSN4820-01-266-4226
Primary Part Number50004-09
Item NameValve,expansion
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Flow Control DeviceDISK, FLAT
Temp Rating90.0 FAHRENHEIT DEGF
Temp Rating60.0 FAHRENHEIT DEGF
Capillary Tube Length120.000 INCHES NOMINAL IN
MaterialCOPPER ALLOY BODY
Valve Expansion Control TypeTHERMOSTATIC
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
50004-09 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (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 4820-01-266-4226?

NSN 4820-01-266-4226 is a Valve,expansion, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-266-4226?

NSN 4820-01-266-4226 has 1 manufacturer part number on file: 50004-09 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What are the specifications of 50004-09?

Key specifications for 50004-09: Flow Control Device: DISK, FLAT; Temp Rating: 90.0 FAHRENHEIT DEGF; Temp Rating: 60.0 FAHRENHEIT DEGF; Capillary Tube Length: 120.000 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-266-4226 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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