Valve, Safety Relief4820-01-170-4533

NSN 4820-01-170-4533 · NIIN 011704533 · Part number AC044639

Meggitt Aerospace Limited · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE K1037

Government record, cited

NSN 4820-01-170-4533 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-170-4533. Manufacturer of record part number: AC044639.

Also searched as 4820-01-170-4533 · 4820011704533 · NIIN 011704533 · 01-170-4533 · FSC 4820 Valves, Nonpowered · CAGE K1037 · AC044639

Nearby stock numbers ← 4820-01-170-4496 · 4820-01-170-4534 Disk, Valve →

4820-01-170-4533 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Meggitt Aerospace Limited

Identification

NSN: 4820-01-170-4533
NIIN: 011704533
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: AC044639
Manufacturer: Meggitt Aerospace Limited

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-170-4533, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Meggitt Aerospace Limited. 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,safety Relief
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Meggitt Aerospace Limited (CAGE K1037)

Technical Specifications

Parameter	Value
NSN	4820-01-170-4533
Primary Part Number	AC044639
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Meggitt Aerospace Limited
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
AC044639 PRIMARY	Meggitt Aerospace Limited (GBR)

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 4820-01-170-4533?

NSN 4820-01-170-4533 is a Valve,safety Relief, manufactured by Meggitt Aerospace Limited, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-170-4533?

NSN 4820-01-170-4533 has 1 manufacturer part number on file: AC044639 (Meggitt Aerospace Limited).

Is NSN 4820-01-170-4533 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.

PartsTable Design LLC · partstable.com