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NSN 4820-01-321-6394Government record, cited

Valve, Check4820-01-321-6394

NSN 4820-01-321-6394 · NIIN 013216394 · Part number 66-1592
Thermo King Corporation Dba Phoenix Global Distirbution. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 61510
Government record, cited
NSN 4820-01-321-6394 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-321-6394. Manufacturer of record part number: 66-1592.
Also searched as  4820-01-321-6394 · 4820013216394 · NIIN 013216394 · 01-321-6394 · FSC 4820 Valves, Nonpowered · CAGE 61510 · 66-1592
Nearby stock numbers  ·
Features
  • Valve,check — FSC 4820
  • Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS
  • Style Designator: STRAIGHT THRU
  • Material: COPPER ALLOY BODY
  • Valve Operation Method: AUTOMATIC
  • 1 manufacturer part number on file
  • Manufacturer of record: Thermo King Corporation Dba Phoenix Global Distirbution.
Identification
  • NSN: 4820-01-321-6394
  • NIIN: 013216394
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 66-1592
  • Manufacturer: Thermo King Corporation Dba Phoenix Global Distirbution.
General Description

The Valve,check, cataloged under National Stock Number 4820-01-321-6394, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Thermo King Corporation Dba Phoenix Global Distirbution.. 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
NSN4820-01-321-6394
Primary Part Number66-1592
Item NameValve,check
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerThermo King Corporation Dba Phoenix Global Distirbution.
StatusACTIVE
Connection TypeUNTHREADED INTERNAL TUBE ALL ENDS
Style DesignatorSTRAIGHT THRU
MaterialCOPPER ALLOY BODY
Valve Operation MethodAUTOMATIC
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
66-1592 PRIMARY Thermo King Corporation Dba Phoenix Global Distirbution. (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 4820-01-321-6394?

NSN 4820-01-321-6394 is a Valve,check, manufactured by Thermo King Corporation Dba Phoenix Global Distirbution., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-321-6394?

NSN 4820-01-321-6394 has 1 manufacturer part number on file: 66-1592 (Thermo King Corporation Dba Phoenix Global Distirbution.).

What are the specifications of 66-1592?

Key specifications for 66-1592: Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS; Style Designator: STRAIGHT THRU; Material: COPPER ALLOY BODY; Valve Operation Method: AUTOMATIC. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-321-6394 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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