Valve, Expansion4820-01-182-1989

NSN 4820-01-182-1989 · NIIN 011821989 · Part number TCLN-FW

Emerson Electric Co Alco Controls Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 70255

Government record, cited

NSN 4820-01-182-1989 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-182-1989. Manufacturer of record part number: TCLN-FW.

Also searched as 4820-01-182-1989 · 4820011821989 · NIIN 011821989 · 01-182-1989 · FSC 4820 Valves, Nonpowered · CAGE 70255 · TCLN-FW · TCLN300FLA4F

Nearby stock numbers ← 4820-01-182-1870 Diaphragm, Valve, Flat · 4820-01-182-2108 Gland Plate, Valve →

4820-01-182-1989 — Valves, Nonpowered

Features

Valve,expansion — FSC 4820
FSC Application Data: VALVE EXPN THRMSTC
2 manufacturer part numbers on file
Manufacturer of record: Emerson Electric Co Alco Controls Div

Identification

NSN: 4820-01-182-1989
NIIN: 011821989
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: TCLN-FW
Manufacturer: Emerson Electric Co Alco Controls Div

General Description

The Valve,expansion, cataloged under National Stock Number 4820-01-182-1989, 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 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-182-1989
Primary Part Number	TCLN-FW
Item Name	Valve,expansion
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Emerson Electric Co Alco Controls Div
Status	ACTIVE
FSC Application Data	VALVE EXPN THRMSTC

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
TCLN300FLA4F	Emerson Electric Co Alco Controls Div (USA)
TCLN-FW 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 4820-01-182-1989?

NSN 4820-01-182-1989 is a Valve,expansion, manufactured by Emerson Electric Co Alco Controls Div, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-182-1989?

NSN 4820-01-182-1989 has 2 manufacturer part numbers on file: TCLN300FLA4F (Emerson Electric Co Alco Controls Div), TCLN-FW (Emerson Electric Co Alco Controls Div).

What are the specifications of TCLN-FW?

Key specifications for TCLN-FW: FSC Application Data: VALVE EXPN THRMSTC. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-182-1989 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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