Head, Safety, Pressure Relief4820-01-673-5774

NSN 4820-01-673-5774 · NIIN 016735774 · Part number 52300090-1

Meggitt Safety Systems Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 05167

Government record, cited

NSN 4820-01-673-5774 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-673-5774. Manufacturer of record part number: 52300090-1.

Also searched as 4820-01-673-5774 · 4820016735774 · NIIN 016735774 · 01-673-5774 · FSC 4820 Valves, Nonpowered · CAGE 05167 · 52300090-1

Nearby stock numbers ← 4820-01-673-5660 Valve, Check · 4820-01-673-5868 Valve, Flow Control →

4820-01-673-5774 — Valves, Nonpowered

Features

Head,safety,pressure Relief — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Meggitt Safety Systems Inc

Identification

NSN: 4820-01-673-5774
NIIN: 016735774
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 52300090-1
Manufacturer: Meggitt Safety Systems Inc

General Description

The Head,safety,pressure Relief, cataloged under National Stock Number 4820-01-673-5774, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Meggitt Safety Systems 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.

Catalog Facts

Item Name	Head,safety,pressure Relief
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Meggitt Safety Systems Inc (CAGE 05167)

Technical Specifications

Parameter	Value
NSN	4820-01-673-5774
Primary Part Number	52300090-1
Item Name	Head,safety,pressure Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Meggitt Safety Systems 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
52300090-1 PRIMARY	Meggitt Safety Systems 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 4820-01-673-5774?

NSN 4820-01-673-5774 is a Head,safety,pressure Relief, manufactured by Meggitt Safety Systems Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-673-5774?

NSN 4820-01-673-5774 has 1 manufacturer part number on file: 52300090-1 (Meggitt Safety Systems Inc).

Is NSN 4820-01-673-5774 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