Valve, Butterfly4820-01-406-3539

NSN 4820-01-406-3539 · NIIN 014063539

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-406-3539 · 4820014063539 · NIIN 014063539 · 01-406-3539 · FSC 4820 Valves, Nonpowered · 2498-00-312 SZ-16 STY-A TY-I · 2498-00-312 SZ-5 STY-A TY-1 · 2498-00-313 · M24624 STYA TYI 16IN · 211069709

Nearby stock numbers ← 4820-01-406-3538 Stem, Fluid Valve · 4820-01-406-3540 Stem, Fluid Valve →

4820-01-406-3539 — Valves, Nonpowered

Features

Valve,butterfly — FSC 4820

Identification

NSN: 4820-01-406-3539
NIIN: 014063539
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,butterfly, cataloged under National Stock Number 4820-01-406-3539, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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)

Technical Specifications

Parameter	Value
NSN	4820-01-406-3539
Item Name	Valve,butterfly
FSC / FSG	4820 / 48 — Valves, Nonpowered
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 2

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

4820-01-415-25982498-00-312 SZ 8, STY-B,TY-III POSSIBLE MATCH

VALVE,BUTTERFLY

Possible match (shared part number)Leslie Controls, Inc. Dba Leslie Controls Inc

4820-01-441-94042498-00-312 SZ-4,STY-A,TY-I POSSIBLE MATCH

VALVE,BUTTERFLY

Possible match (shared part number)Leslie Controls, Inc. Dba Leslie Controls Inc

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
2498-00-312 SZ-16 STY-A TY-I	5/9 Secondary reference Circor Intl Inc
2498-00-312 SZ-5 STY-A TY-1	5/9 Secondary reference Circor Intl Inc
2498-00-313	D/9 Drawing number reference only Circor Intl Inc
M24624 STYA TYI 16IN	2/2 Government specification standardization U.S. Government activity
211069709	5/9 Secondary reference Naval Sea Systems Command
MIL-DTL-24624	4/1 Identification reference U.S. Government activity
MIL-V-24624 STY A TYP I	5/9 Secondary reference U.S. Government activity
2498-00-313 SZ-16	5/9 Secondary reference Circor Intl Inc
211066626	5/9 Secondary reference Naval Sea Systems Command
2498-00-312	D/9 Drawing number reference only Circor Intl Inc

Related Parts

4820-01-415-2598POSSIBLE MATCH

VALVE,BUTTERFLY

2498-00-312 SZ 8, STY-B,TY-III

4820-01-441-9404POSSIBLE MATCH

VALVE,BUTTERFLY

2498-00-312 SZ-4,STY-A,TY-I

Frequently Asked Questions

What is NSN 4820-01-406-3539?

NSN 4820-01-406-3539 is a Valve,butterfly, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-406-3539?

2 possible matches (shared part number, not a government interchangeability claim): 4820-01-415-2598, 4820-01-441-9404. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-406-3539 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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