PartsTable TECHNICAL DATA SHEET

NSN 4820-01-722-4126Government record, cited

Valve, Check4820-01-722-4126

NSN 4820-01-722-4126 · NIIN 017224126 · Part number BDERV3

Cunningham Fluid Power Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 8AJJ5

Government record, cited

NSN 4820-01-722-4126 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-722-4126. Manufacturer of record part number: BDERV3.

Also searched as 4820-01-722-4126 · 4820017224126 · NIIN 017224126 · 01-722-4126 · FSC 4820 Valves, Nonpowered · CAGE 8AJJ5 · BDERV3

Nearby stock numbers ← 4820-01-722-3953 Valve, Ball · 4820-01-722-4260 Cartridge, Check Valve →

4820-01-722-4126 — Valves, Nonpowered

Features

Valve,check — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Cunningham Fluid Power Inc.

Identification

NSN: 4820-01-722-4126
NIIN: 017224126
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: BDERV3
Manufacturer: Cunningham Fluid Power Inc.

General Description

The Valve,check, cataloged under National Stock Number 4820-01-722-4126, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cunningham Fluid Power Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Valve,check
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Wandfluh Ag Hydraulik+elektronik (CAGE S4254); Cunningham Fluid Power Inc. (CAGE 8AJJ5)

Technical Specifications

Parameter	Value
NSN	4820-01-722-4126
Primary Part Number	BDERV3
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Cunningham Fluid Power 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
BDERV3	Wandfluh Ag Hydraulik+elektronik (CHE)
BDERV3 PRIMARY	Cunningham Fluid Power Inc. (USA)

Reference documents

Reference	Meaning
BDERV3	5/9 Secondary reference Wandfluh of America Inc

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 4820-01-722-4126?

NSN 4820-01-722-4126 is a Valve,check, manufactured by Cunningham Fluid Power Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-722-4126?

NSN 4820-01-722-4126 has 2 manufacturer part numbers on file: BDERV3 (Wandfluh Ag Hydraulik+elektronik), BDERV3 (Cunningham Fluid Power Inc.).

Is NSN 4820-01-722-4126 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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