Stem, Fluid Valve4820-01-678-5659

NSN 4820-01-678-5659 · NIIN 016785659 · Part number 4F-0064C-13GX-02PART4 2.00IN

Velan Valve Corp. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 57574

Government record, cited

NSN 4820-01-678-5659 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-678-5659. Manufacturer of record part number: 4F-0064C-13GX-02PART4 2.00IN.

Also searched as 4820-01-678-5659 · 4820016785659 · NIIN 016785659 · 01-678-5659 · FSC 4820 Valves, Nonpowered · CAGE 57574 · 4F-0064C-13GX-02PART4 2.00IN · 4F-0064C-13GX-02

Nearby stock numbers ← 4820-01-678-5590 Valve, Safety Relief · 4820-01-678-5750 Disk, Valve →

4820-01-678-5659 — Valves, Nonpowered

Features

Stem,fluid Valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Velan Valve Corp.

Identification

NSN: 4820-01-678-5659
NIIN: 016785659
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 4F-0064C-13GX-02PART4 2.00IN
Manufacturer: Velan Valve Corp.

General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-678-5659, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Velan Valve Corp.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Stem,fluid Valve
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Velan Valve Corp. (CAGE 57574)

Technical Specifications

Parameter	Value
NSN	4820-01-678-5659
Primary Part Number	4F-0064C-13GX-02PART4 2.00IN
Item Name	Stem,fluid Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Velan Valve Corp.
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 1

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

4820-01-678-57504F-0064C-13GX-02PART5 2.00IN POSSIBLE MATCH

DISK,VALVE

Possible match (shared part number)Velan Valve Corp.

Cross-Reference Index

Part Number	Manufacturer
4F-0064C-13GX-02PART4 2.00IN PRIMARY	Velan Valve Corp. (USA)

Reference documents

Reference	Meaning
4F-0064C-13GX-02	D/9 Drawing number reference only Velan Valve Corp.

Related Parts

4820-01-678-5750POSSIBLE MATCH

DISK,VALVE

4F-0064C-13GX-02PART5 2.00IN

Frequently Asked Questions

What is NSN 4820-01-678-5659?

NSN 4820-01-678-5659 is a Stem,fluid Valve, manufactured by Velan Valve Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-678-5659?

NSN 4820-01-678-5659 has 1 manufacturer part number on file: 4F-0064C-13GX-02PART4 2.00IN (Velan Valve Corp.).

What NSN replaces 4820-01-678-5659?

1 possible match (shared part number, not a government interchangeability claim): 4820-01-678-5750. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-678-5659 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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