Piston, Valve4820-01-419-6478

NSN 4820-01-419-6478 · NIIN 014196478 · Part number 5223-079

Woodward, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 31361

Government record, cited

NSN 4820-01-419-6478 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-419-6478. Manufacturer of record part number: 5223-079.

Also searched as 4820-01-419-6478 · 4820014196478 · NIIN 014196478 · 01-419-6478 · FSC 4820 Valves, Nonpowered · CAGE 31361 · 5223-079 · 9988-862 ITEM 8

Nearby stock numbers ← 4820-01-419-6466 Cap, Valve · 4820-01-419-6480 Cap, Valve →

4820-01-419-6478 — Valves, Nonpowered

Features

Piston,valve — FSC 4820
Valve Type for Which Designed: PRESSURE REDUCING
Valve Model Number for Which Designed: 9900-445
Valve Design Control Activity: 31361
Material: ALUMINUM ALLOY
2 manufacturer part numbers on file
Manufacturer of record: Woodward, Inc.

Identification

NSN: 4820-01-419-6478
NIIN: 014196478
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 5223-079
Manufacturer: Woodward, Inc.

General Description

The Piston,valve, cataloged under National Stock Number 4820-01-419-6478, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Woodward, Inc.. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-419-6478
Primary Part Number	5223-079
Item Name	Piston,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Woodward, Inc.
Status	ACTIVE
Valve Type for Which Designed	PRESSURE REDUCING
Valve Model Number for Which Designed	9900-445
Valve Design Control Activity	31361
Material	ALUMINUM ALLOY

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
5223-079 PRIMARY	Woodward, Inc. (USA)
9988-862 ITEM 8	Woodward, 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 4820-01-419-6478?

NSN 4820-01-419-6478 is a Piston,valve, manufactured by Woodward, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-419-6478?

NSN 4820-01-419-6478 has 2 manufacturer part numbers on file: 5223-079 (Woodward, Inc.), 9988-862 ITEM 8 (Woodward, Inc.).

What are the specifications of 5223-079?

Key specifications for 5223-079: Valve Type for Which Designed: PRESSURE REDUCING; Valve Model Number for Which Designed: 9900-445; Special Features: LIQUID FUEL VALVE; Valve Design Control Activity: 31361. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-419-6478 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.

PartsTable Design LLC · partstable.com