PartsTable TECHNICAL DATA SHEET

NSN 4820-01-252-6203Government record, cited

Subplate Assembly, Valve4820-01-252-6203

NSN 4820-01-252-6203 · NIIN 012526203 · Part number 20564-400-1

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 78062

Government record, cited

NSN 4820-01-252-6203 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-252-6203. Manufacturer of record part number: 20564-400-1.

Also searched as 4820-01-252-6203 · 4820012526203 · NIIN 012526203 · 01-252-6203 · FSC 4820 Valves, Nonpowered · CAGE 78062 · 20564-400-1

Nearby stock numbers ← 4820-01-252-6182 Parts Kit, Linear Directional Con · 4820-01-252-6204 Valve, Bleed →

4820-01-252-6203 — Valves, Nonpowered

Features

Subplate Assembly,valve — FSC 4820
General Characteristics Item Description: STEEL
1 manufacturer part number on file
Manufacturer of record: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

Identification

NSN: 4820-01-252-6203
NIIN: 012526203
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 20564-400-1
Manufacturer: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

General Description

The Subplate Assembly,valve, cataloged under National Stock Number 4820-01-252-6203, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-252-6203
Primary Part Number	20564-400-1
Item Name	Subplate Assembly,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Status	ACTIVE
General Characteristics Item Description	STEEL

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
20564-400-1 PRIMARY	Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (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 4820-01-252-6203?

NSN 4820-01-252-6203 is a Subplate Assembly,valve, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-252-6203?

NSN 4820-01-252-6203 has 1 manufacturer part number on file: 20564-400-1 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What are the specifications of 20564-400-1?

Key specifications for 20564-400-1: General Characteristics Item Description: STEEL. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-252-6203 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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