PartsTable TECHNICAL DATA SHEET

NSN 4820-01-298-5398Government record, cited

Valve, Linear, Directional Control4820-01-298-5398

NSN 4820-01-298-5398 · NIIN 012985398 · Part number P66569

Brake Supply Company, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 3T520

Government record, cited

NSN 4820-01-298-5398 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-298-5398. Manufacturer of record part number: P66569.

Also searched as 4820-01-298-5398 · 4820012985398 · NIIN 012985398 · 01-298-5398 · FSC 4820 Valves, Nonpowered · CAGE 3T520 · P66569

Nearby stock numbers ← 4820-01-298-5397 Valve, Linear, Directional Control · 4820-01-298-5399 Valve, Linear, Directional Control →

4820-01-298-5398 — Valves, Nonpowered

Features

Valve,linear,directional Control — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Brake Supply Company, Inc.

Identification

NSN: 4820-01-298-5398
NIIN: 012985398
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: P66569
Manufacturer: Brake Supply Company, Inc.

General Description

The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-298-5398, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Brake Supply Company, Inc.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-298-5398
Primary Part Number	P66569
Item Name	Valve,linear,directional Control
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Brake Supply 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)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
P66569	Brake Supply Company, Inc. (USA)

Reference documents

Reference	Meaning
P66569	3/9 Design control — primary reference Bosch Rexroth Corporation Div Bosch Rexroth

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 4820-01-298-5398?

NSN 4820-01-298-5398 is a Valve,linear,directional Control, manufactured by Brake Supply Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-298-5398?

NSN 4820-01-298-5398 has 1 manufacturer part number on file: P66569 (Brake Supply Company, Inc.).

What are the specifications of P66569?

Key specifications for P66569: Special Features: ANODIZED ALUMINUM BODY AND OPERATOR HOUSING; STAINLESS STEEL SPOOL; CADMIUM-PLATED INTERNAL PARTS; 1/4 IN. 4-WAY OPEN EXHAUST,CLOSED CENTER POSITION; 4 PORTS; A AND B ENDS POWERED CYLINDER WITH NO SPRING RETURN; AIR SERVICE; MAX OPERATING TEMP 160 DEG F; MAX OPERATING PSI 250 IN. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-298-5398 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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