Valve, Check4820-01-666-0811

NSN 4820-01-666-0811 · NIIN 016660811 · Part number K322405

Aalberts Integrated Piping Systems Americas, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 72219

Government record, cited

NSN 4820-01-666-0811 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-666-0811. Manufacturer of record part number: K322405.

Also searched as 4820-01-666-0811 · 4820016660811 · NIIN 016660811 · 01-666-0811 · FSC 4820 Valves, Nonpowered · CAGE 72219 · K322405

Nearby stock numbers ← 4820-01-666-0802 Valve, Check · 4820-01-666-0814 Parts Kit, Valve →

4820-01-666-0811 — Valves, Nonpowered

Features

Valve,check — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Aalberts Integrated Piping Systems Americas, Inc.

Identification

NSN: 4820-01-666-0811
NIIN: 016660811
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: K322405
Manufacturer: Aalberts Integrated Piping Systems Americas, Inc.

General Description

The Valve,check, cataloged under National Stock Number 4820-01-666-0811, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Aalberts Integrated Piping Systems Americas, Inc.. 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	Aalberts Integrated Piping Systems Americas, Inc. (CAGE 72219)

Technical Specifications

Parameter	Value
NSN	4820-01-666-0811
Primary Part Number	K322405
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Aalberts Integrated Piping Systems Americas, Inc.
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
K322405 PRIMARY	Aalberts Integrated Piping Systems Americas, Inc. (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 4820-01-666-0811?

NSN 4820-01-666-0811 is a Valve,check, manufactured by Aalberts Integrated Piping Systems Americas, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-666-0811?

NSN 4820-01-666-0811 has 1 manufacturer part number on file: K322405 (Aalberts Integrated Piping Systems Americas, Inc.).

Is NSN 4820-01-666-0811 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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