PartsTable TECHNICAL DATA SHEET

NSN 4820-01-726-2978Government record, cited

Valve, Check4820-01-726-2978

NSN 4820-01-726-2978 · NIIN 017262978 · Part number AL364041

Haldex Brake Products Corp · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 4M5H2

Government record, cited

NSN 4820-01-726-2978 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-726-2978. Manufacturer of record part number: AL364041.

Also searched as 4820-01-726-2978 · 4820017262978 · NIIN 017262978 · 01-726-2978 · FSC 4820 Valves, Nonpowered · CAGE 4M5H2 · AL364041 · 19012E0036

Nearby stock numbers ← 4820-01-726-2946 Valve, Linear, Directional Control · 4820-01-726-2983 Valve, Linear, Directional Control →

4820-01-726-2978 — Valves, Nonpowered

Features

Valve,check — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Haldex Brake Products Corp

Identification

NSN: 4820-01-726-2978
NIIN: 017262978
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: AL364041
Manufacturer: Haldex Brake Products Corp

General Description

The Valve,check, cataloged under National Stock Number 4820-01-726-2978, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Haldex Brake Products Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Valve,check
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Haldex Brake Products Corp (CAGE 4M5H2)

Technical Specifications

Parameter	Value
NSN	4820-01-726-2978
Primary Part Number	AL364041
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Haldex Brake Products Corp
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
AL364041 PRIMARY	Haldex Brake Products Corp (USA)

Reference documents

Reference	Meaning
19012E0036	7/2 Vendor item drawing reference Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service

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 4820-01-726-2978?

NSN 4820-01-726-2978 is a Valve,check, manufactured by Haldex Brake Products Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-726-2978?

NSN 4820-01-726-2978 has 1 manufacturer part number on file: AL364041 (Haldex Brake Products Corp).

Is NSN 4820-01-726-2978 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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