Valve, Check4820-01-554-6389

NSN 4820-01-554-6389 · NIIN 015546389 · Part number 1256641

Fmc Technologies Inc Dba Fmc Fluid Control · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 71454

Government record, cited

NSN 4820-01-554-6389 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-554-6389. Manufacturer of record part number: 1256641.

Also searched as 4820-01-554-6389 · 4820015546389 · NIIN 015546389 · 01-554-6389 · FSC 4820 Valves, Nonpowered · CAGE 71454 · 1256641

Nearby stock numbers ← 4820-01-554-6331 Valve Vacuum Poppet · 4820-01-554-6398 Valve, Linear, Directional Control →

4820-01-554-6389 — Valves, Nonpowered

Features

Valve,check — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Fmc Technologies Inc Dba Fmc Fluid Control

Identification

NSN: 4820-01-554-6389
NIIN: 015546389
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1256641
Manufacturer: Fmc Technologies Inc Dba Fmc Fluid Control

General Description

The Valve,check, cataloged under National Stock Number 4820-01-554-6389, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fmc Technologies Inc Dba Fmc Fluid Control. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Valve,check
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Fmc Technologies Inc Dba Fmc Fluid Control (CAGE 71454)

Technical Specifications

Parameter	Value
NSN	4820-01-554-6389
Primary Part Number	1256641
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Fmc Technologies Inc Dba Fmc Fluid Control
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

Cross-Reference Index

Part Number	Manufacturer
1256641 PRIMARY	Fmc Technologies Inc Dba Fmc Fluid Control (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 4820-01-554-6389?

NSN 4820-01-554-6389 is a Valve,check, manufactured by Fmc Technologies Inc Dba Fmc Fluid Control, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-554-6389?

NSN 4820-01-554-6389 has 1 manufacturer part number on file: 1256641 (Fmc Technologies Inc Dba Fmc Fluid Control).

Is NSN 4820-01-554-6389 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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