Valve, Relief, Pressure and Temper4820-01-226-8423

NSN 4820-01-226-8423 · NIIN 012268423 · Part number AA-B211-8D81A

Pall Aeropower Corporation · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 18350

Government record, cited

NSN 4820-01-226-8423 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-226-8423. Manufacturer of record part number: AA-B211-8D81A.

Also searched as 4820-01-226-8423 · 4820012268423 · NIIN 012268423 · 01-226-8423 · FSC 4820 Valves, Nonpowered · CAGE 18350 · AA-B211-8D81A · A15HS050-3

Nearby stock numbers ← 4820-01-226-8393 Valve, Ball · 4820-01-226-8424 Valve, Relief, Pressure and Temper →

4820-01-226-8423 — Valves, Nonpowered

Features

Valve,relief,pressure and Temper — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Pall Aeropower Corporation

Identification

NSN: 4820-01-226-8423
NIIN: 012268423
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: AA-B211-8D81A
Manufacturer: Pall Aeropower Corporation

General Description

The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-226-8423, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pall Aeropower Corporation. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Valve,relief,pressure and Temper
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	The Boeing Company (CAGE 77272); Pall Aeropower Corporation (CAGE 18350)

Technical Specifications

Parameter	Value
NSN	4820-01-226-8423
Primary Part Number	AA-B211-8D81A
Item Name	Valve,relief,pressure and Temper
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Pall Aeropower Corporation
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
A15HS050-3	The Boeing Company (USA)
AA-B211-8D81A PRIMARY	Pall Aeropower Corporation (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 4820-01-226-8423?

NSN 4820-01-226-8423 is a Valve,relief,pressure and Temper, manufactured by Pall Aeropower Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-226-8423?

NSN 4820-01-226-8423 has 2 manufacturer part numbers on file: A15HS050-3 (The Boeing Company), AA-B211-8D81A (Pall Aeropower Corporation).

Is NSN 4820-01-226-8423 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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