Valve, Check4820-01-558-9537

NSN 4820-01-558-9537 · NIIN 015589537 · Part number 3020245-3

Echelon Supply and Service, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 61125

Government record, cited

NSN 4820-01-558-9537 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-558-9537. Manufacturer of record part number: 3020245-3.

Also searched as 4820-01-558-9537 · 4820015589537 · NIIN 015589537 · 01-558-9537 · FSC 4820 Valves, Nonpowered · CAGE 61125 · 3020245-3

Nearby stock numbers ← 4820-01-558-9264 Valve, Check · 4820-01-558-9557 Valve, Check →

4820-01-558-9537 — Valves, Nonpowered

Features

Valve,check — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Echelon Supply and Service, Inc.

Identification

NSN: 4820-01-558-9537
NIIN: 015589537
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 3020245-3
Manufacturer: Echelon Supply and Service, Inc.

General Description

The Valve,check, cataloged under National Stock Number 4820-01-558-9537, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Echelon Supply and Service, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Valve,check
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Echelon Supply and Service, Inc. (CAGE 61125)

Technical Specifications

Parameter	Value
NSN	4820-01-558-9537
Primary Part Number	3020245-3
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Echelon Supply and Service, 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
3020245-3 PRIMARY	Echelon Supply and Service, 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 4820-01-558-9537?

NSN 4820-01-558-9537 is a Valve,check, manufactured by Echelon Supply and Service, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-558-9537?

NSN 4820-01-558-9537 has 1 manufacturer part number on file: 3020245-3 (Echelon Supply and Service, Inc.).

Is NSN 4820-01-558-9537 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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