PartsTable TECHNICAL DATA SHEET

NSN 4820-01-259-2161Government record, cited

CAGE, Valve4820-01-259-2161

NSN 4820-01-259-2161 · NIIN 012592161 · Part number 34143248

W B Arnold Company, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 2H266

Government record, cited

NSN 4820-01-259-2161 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-259-2161. Manufacturer of record part number: 34143248.

Also searched as 4820-01-259-2161 · 4820012592161 · NIIN 012592161 · 01-259-2161 · FSC 4820 Valves, Nonpowered · CAGE 2H266 · 34143248

Nearby stock numbers ← 4820-01-259-2145 Valve, Regulating, Fluid Pressure · 4820-01-259-2162 CAGE, Valve →

4820-01-259-2161 — Valves, Nonpowered

Features

Cage,valve — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: W B Arnold Company, Inc.

Identification

NSN: 4820-01-259-2161
NIIN: 012592161
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 34143248
Manufacturer: W B Arnold Company, Inc.

General Description

The Cage,valve, cataloged under National Stock Number 4820-01-259-2161, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is W B Arnold Company, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Cage,valve
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	W B Arnold Company, Inc. (CAGE 2H266); Hamworthy Inc. (CAGE 0CBL5)

Technical Specifications

Parameter	Value
NSN	4820-01-259-2161
Primary Part Number	34143248
Item Name	Cage,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	W B Arnold Company, 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
34143248 PRIMARY	W B Arnold Company, Inc. (USA)
34143248 PRIMARY	Hamworthy Inc. (USA)

Reference documents

Reference	Meaning
34143248	5/9 Secondary reference Wartsila Water Systems Limited

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 4820-01-259-2161?

NSN 4820-01-259-2161 is a Cage,valve, manufactured by W B Arnold Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-259-2161?

NSN 4820-01-259-2161 has 2 manufacturer part numbers on file: 34143248 (W B Arnold Company, Inc.), 34143248 (Hamworthy Inc.).

Is NSN 4820-01-259-2161 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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