Cartridge, Shut-Off Valve4820-01-589-7144

NSN 4820-01-589-7144 · NIIN 015897144 · Part number 304945

Mega Corp. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 1BW31

Government record, cited

NSN 4820-01-589-7144 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-589-7144. Manufacturer of record part number: 304945.

Also searched as 4820-01-589-7144 · 4820015897144 · NIIN 015897144 · 01-589-7144 · FSC 4820 Valves, Nonpowered · CAGE 1BW31 · 304945

Nearby stock numbers ← 4820-01-589-6913 Valve, Regulating, Temperature · 4820-01-589-7162 Valve, Safety Relief →

4820-01-589-7144 — Valves, Nonpowered

Features

Cartridge,shut-Off Valve — FSC 4820
Operating Pressure: 90.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
1 manufacturer part number on file
Manufacturer of record: Mega Corp.

Identification

NSN: 4820-01-589-7144
NIIN: 015897144
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 304945
Manufacturer: Mega Corp.

General Description

The Cartridge,shut-Off Valve, cataloged under National Stock Number 4820-01-589-7144, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mega Corp.. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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	4820-01-589-7144
Primary Part Number	304945
Item Name	Cartridge,shut-Off Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Mega Corp.
Status	ACTIVE
Operating Pressure	90.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS

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
304945 PRIMARY	Mega Corp. (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 4820-01-589-7144?

NSN 4820-01-589-7144 is a Cartridge,shut-Off Valve, manufactured by Mega Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-589-7144?

NSN 4820-01-589-7144 has 1 manufacturer part number on file: 304945 (Mega Corp.).

What are the specifications of 304945?

Key specifications for 304945: Operating Pressure: 90.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Part Name Assigned by Controlling Agency: AIR REGULATOR/SHUT OFF VALVE; End Item Identification: PNEUMATIC SOLENOID BOX. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-589-7144 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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