PartsTable TECHNICAL DATA SHEET

NSN 4820-01-538-9231Government record, cited

Valve, Butterfly4820-01-538-9231

NSN 4820-01-538-9231 · NIIN 015389231 · Part number TFC-VA-00660 4.0IN

Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 1X5W8

Government record, cited

NSN 4820-01-538-9231 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-538-9231. Manufacturer of record part number: TFC-VA-00660 4.0IN.

Also searched as 4820-01-538-9231 · 4820015389231 · NIIN 015389231 · 01-538-9231 · FSC 4820 Valves, Nonpowered · CAGE 1X5W8 · TFC-VA-00660 4.0IN · TFC-VA-00660

Nearby stock numbers ← 4820-01-538-9214 Valve, Butterfly · 4820-01-538-9251 Valve, Butterfly →

4820-01-538-9231 — Valves, Nonpowered

Features

Valve,butterfly — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team

Identification

NSN: 4820-01-538-9231
NIIN: 015389231
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: TFC-VA-00660 4.0IN
Manufacturer: Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team

General Description

The Valve,butterfly, cataloged under National Stock Number 4820-01-538-9231, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Valve,butterfly
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team (CAGE 1X5W8)

Technical Specifications

Parameter	Value
NSN	4820-01-538-9231
Primary Part Number	TFC-VA-00660 4.0IN
Item Name	Valve,butterfly
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team
Status	ACTIVE

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

⇄ Related Items 4

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4820-01-538-9251TFC-VA-00660 5.0IN POSSIBLE MATCH

VALVE,BUTTERFLY

Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team

4820-01-538-9272TFC-VA-00660 8.0IN POSSIBLE MATCH

VALVE,BUTTERFLY

Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team

4820-01-538-9279TFC-VA-00660 3.0IN POSSIBLE MATCH

VALVE,BUTTERFLY

Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team

4820-01-538-9610TFC-VA-00660 6.0IN POSSIBLE MATCH

VALVE,BUTTERFLY

Possible match (shared part number)Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team

Cross-Reference Index

Part Number	Manufacturer
TFC-VA-00660 4.0IN PRIMARY	Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team (USA)

Reference documents

Reference	Meaning
TFC-VA-00660	D/9 Drawing number reference only Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team

Related Parts

4820-01-538-9251POSSIBLE MATCH

VALVE,BUTTERFLY

TFC-VA-00660 5.0IN

4820-01-538-9272POSSIBLE MATCH

VALVE,BUTTERFLY

TFC-VA-00660 8.0IN

4820-01-538-9279POSSIBLE MATCH

VALVE,BUTTERFLY

TFC-VA-00660 3.0IN

4820-01-538-9610POSSIBLE MATCH

VALVE,BUTTERFLY

TFC-VA-00660 6.0IN

Frequently Asked Questions

What is NSN 4820-01-538-9231?

NSN 4820-01-538-9231 is a Valve,butterfly, manufactured by Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-538-9231?

NSN 4820-01-538-9231 has 1 manufacturer part number on file: TFC-VA-00660 4.0IN (Emerson Automation Solutions Final Control Us Lp Dba Marine Product Team Div Marine Product Team).

What NSN replaces 4820-01-538-9231?

4 possible matches (shared part number, not a government interchangeability claim): 4820-01-538-9251, 4820-01-538-9272, 4820-01-538-9279. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-538-9231 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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