PartsTable TECHNICAL DATA SHEET

NSN 4820-01-286-4204Government record, cited

Valve, Regulating, System Pressure4820-01-286-4204

NSN 4820-01-286-4204 · NIIN 012864204 · Part number 959.90.10.171

Pilatus Aircraft Ltd · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE S4080

Government record, cited

NSN 4820-01-286-4204 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-286-4204. Manufacturer of record part number: 959.90.10.171.

Also searched as 4820-01-286-4204 · 4820012864204 · NIIN 012864204 · 01-286-4204 · FSC 4820 Valves, Nonpowered · CAGE S4080 · 959.90.10.171 · 3213876-9 · Z00.N6000807228TBM

Nearby stock numbers ← 4820-01-286-4005 Valve, Seatless · 4820-01-286-4259 Valve, Linear, Directional Control →

4820-01-286-4204 — Valves, Nonpowered

Features

Valve,regulating,system Pressure — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Pilatus Aircraft Ltd

Identification

NSN: 4820-01-286-4204
NIIN: 012864204
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 959.90.10.171
Manufacturer: Pilatus Aircraft Ltd

General Description

The Valve,regulating,system Pressure, cataloged under National Stock Number 4820-01-286-4204, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pilatus Aircraft Ltd. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Valve,regulating,system Pressure
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Pilatus Aircraft Ltd (CAGE S4080)

Technical Specifications

Parameter	Value
NSN	4820-01-286-4204
Primary Part Number	959.90.10.171
Item Name	Valve,regulating,system Pressure
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Pilatus Aircraft Ltd
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
959.90.10.171	Pilatus Aircraft Ltd (CHE)

Reference documents

Reference	Meaning
3213876-9	3/2 Design control — primary reference U.S. Government activity
Z00.N6000807228TBM	5/9 Secondary reference Daher Aerospace - Ex Socata

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 4820-01-286-4204?

NSN 4820-01-286-4204 is a Valve,regulating,system Pressure, manufactured by Pilatus Aircraft Ltd, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-286-4204?

NSN 4820-01-286-4204 has 1 manufacturer part number on file: 959.90.10.171 (Pilatus Aircraft Ltd).

Is NSN 4820-01-286-4204 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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