Valve, Regulating, Fluid Pressure4820-01-660-2450

NSN 4820-01-660-2450 · NIIN 016602450 · Part number 290000318

Marine Air Systems Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 01KK1

Government record, cited

NSN 4820-01-660-2450 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-660-2450. Manufacturer of record part number: 290000318.

Also searched as 4820-01-660-2450 · 4820016602450 · NIIN 016602450 · 01-660-2450 · FSC 4820 Valves, Nonpowered · CAGE 01KK1 · 290000318 · 3080053

Nearby stock numbers ← 4820-01-660-2362 Valve, Pressure Equalizing, Gaseou · 4820-01-660-2451 Valve, Expansion →

4820-01-660-2450 — Valves, Nonpowered

Features

Valve,regulating,fluid Pressure — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Marine Air Systems Inc

Identification

NSN: 4820-01-660-2450
NIIN: 016602450
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 290000318
Manufacturer: Marine Air Systems Inc

General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-660-2450, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Marine Air Systems Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-660-2450
Primary Part Number	290000318
Item Name	Valve,regulating,fluid Pressure
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Marine Air 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
290000318 PRIMARY	Marine Air Systems Inc (USA)
3080053 PRIMARY	Marine Air 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 4820-01-660-2450?

NSN 4820-01-660-2450 is a Valve,regulating,fluid Pressure, manufactured by Marine Air Systems Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-660-2450?

NSN 4820-01-660-2450 has 2 manufacturer part numbers on file: 290000318 (Marine Air Systems Inc), 3080053 (Marine Air Systems Inc).

What are the specifications of 290000318?

Key specifications for 290000318: Part Name Assigned by Controlling Agency: PRESSURE RELIEF VALVE; End Item Identification: MTD96 CHILLER. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-660-2450 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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