Valve, Diaphragm, Stop4820-01-480-2234

NSN 4820-01-480-2234 · NIIN 014802234 · Part number W002159

Air Liquide Advanced Technologies · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE F0037

Government record, cited

NSN 4820-01-480-2234 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-480-2234. Manufacturer of record part number: W002159.

Also searched as 4820-01-480-2234 · 4820014802234 · NIIN 014802234 · 01-480-2234 · FSC 4820 Valves, Nonpowered · CAGE F0037 · W002159 · 1001-28 · HADB 1001-28

Nearby stock numbers ← 4820-01-480-2233 Seat, Valve · 4820-01-480-2271 Valve, Check →

4820-01-480-2234 — Valves, Nonpowered

Features

Valve,diaphragm,stop — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Air Liquide Advanced Technologies

Identification

NSN: 4820-01-480-2234
NIIN: 014802234
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: W002159
Manufacturer: Air Liquide Advanced Technologies

General Description

The Valve,diaphragm,stop, cataloged under National Stock Number 4820-01-480-2234, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Air Liquide Advanced Technologies. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-480-2234
Primary Part Number	W002159
Item Name	Valve,diaphragm,stop
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Air Liquide Advanced Technologies
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
W002159	Air Liquide Advanced Technologies (FRA)
HADB 1001-28	Air Liquide Advanced Technologies (FRA)

Reference documents

Reference	Meaning
1001-28	3/2 Design control — primary reference U.S. Government activity

Frequently Asked Questions

What is NSN 4820-01-480-2234?

NSN 4820-01-480-2234 is a Valve,diaphragm,stop, manufactured by Air Liquide Advanced Technologies, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-480-2234?

NSN 4820-01-480-2234 has 2 manufacturer part numbers on file: W002159 (Air Liquide Advanced Technologies), HADB 1001-28 (Air Liquide Advanced Technologies).

What are the specifications of W002159?

Key specifications for W002159: End Item Identification: USED ON MICRA SECOND STAGE INDEPENDENT BACK UP BREATHING SYSTEM. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-480-2234 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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