Seat, Valve4820-01-239-4054

NSN 4820-01-239-4054 · NIIN 012394054 · Part number A48483MFV VM

Naval Inventory Control Point Mechanicsburg · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 03950

Government record, cited

NSN 4820-01-239-4054 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-239-4054. Manufacturer of record part number: A48483MFV VM.

Also searched as 4820-01-239-4054 · 4820012394054 · NIIN 012394054 · 01-239-4054 · FSC 4820 Valves, Nonpowered · CAGE 03950 · A48483MFV VM · A48483MFV

Nearby stock numbers ← 4820-01-239-4036 Valve, Relief, Pressure and Temper · 4820-01-239-4061 →

4820-01-239-4054 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Reference Number Differentiating Characteristics: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION
1 manufacturer part number on file
Manufacturer of record: Naval Inventory Control Point Mechanicsburg

Identification

NSN: 4820-01-239-4054
NIIN: 012394054
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: A48483MFV VM
Manufacturer: Naval Inventory Control Point Mechanicsburg

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-239-4054, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-239-4054
Primary Part Number	A48483MFV VM
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Naval Inventory Control Point Mechanicsburg
Status	ACTIVE
Reference Number Differentiating Characteristics	MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION

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
A48483MFV VM	Naval Inventory Control Point Mechanicsburg (USA)

Reference documents

Reference	Meaning
A48483MFV	3/1 Design control — primary reference Hunt Valve Company Inc Dba Union Flonetics

Frequently Asked Questions

What is NSN 4820-01-239-4054?

NSN 4820-01-239-4054 is a Seat,valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-239-4054?

NSN 4820-01-239-4054 has 1 manufacturer part number on file: A48483MFV VM (Naval Inventory Control Point Mechanicsburg).

What are the specifications of A48483MFV VM?

Key specifications for A48483MFV VM: Reference Number Differentiating Characteristics: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-239-4054 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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