Valve, Safety Relief4820-01-652-4989

NSN 4820-01-652-4989 · NIIN 016524989 · Part number 80078537

Airbus Us Space & Defense Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 8W891

Government record, cited

NSN 4820-01-652-4989 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-652-4989. Manufacturer of record part number: 80078537.

Also searched as 4820-01-652-4989 · 4820016524989 · NIIN 016524989 · 01-652-4989 · FSC 4820 Valves, Nonpowered · CAGE 8W891 · 80078537

Nearby stock numbers ← 4820-01-652-4888 Valve, Regulating, Fluid Pressure · 4820-01-652-5058 Valve, Flow Control →

4820-01-652-4989 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Airbus Us Space & Defense Inc

Identification

NSN: 4820-01-652-4989
NIIN: 016524989
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 80078537
Manufacturer: Airbus Us Space & Defense Inc

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-652-4989, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Airbus Us Space & Defense 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.

Technical Specifications

Parameter	Value
NSN	4820-01-652-4989
Primary Part Number	80078537
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Airbus Us Space & Defense 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
80078537 PRIMARY	Airbus Us Space & Defense 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 4820-01-652-4989?

NSN 4820-01-652-4989 is a Valve,safety Relief, manufactured by Airbus Us Space & Defense Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-652-4989?

NSN 4820-01-652-4989 has 1 manufacturer part number on file: 80078537 (Airbus Us Space & Defense Inc).

What are the specifications of 80078537?

Key specifications for 80078537: End Item Identification: PART OF THE A5A15 TRANSMITTER COOLING UNIT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-652-4989 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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