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NSN 4820-01-644-5666Government record, cited

Valve, Vacuum Breaking4820-01-644-5666

NSN 4820-01-644-5666 · NIIN 016445666 · Part number 3198302-3

Facet Filtration Iberica Sa. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 1653B

Government record, cited

NSN 4820-01-644-5666 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-644-5666. Manufacturer of record part number: 3198302-3.

Also searched as 4820-01-644-5666 · 4820016445666 · NIIN 016445666 · 01-644-5666 · FSC 4820 Valves, Nonpowered · CAGE 1653B · 3198302-3 · 206695 ITEM 8 · 201121-01H

Nearby stock numbers ← 4820-01-644-5599 Valve, Gate · 4820-01-644-5676 Gear Operator, Valve →

4820-01-644-5666 — Valves, Nonpowered

Features

Valve,vacuum Breaking — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Facet Filtration Iberica Sa.

Identification

NSN: 4820-01-644-5666
NIIN: 016445666
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 3198302-3
Manufacturer: Facet Filtration Iberica Sa.

General Description

The Valve,vacuum Breaking, cataloged under National Stock Number 4820-01-644-5666, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Facet Filtration Iberica Sa.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Valve,vacuum Breaking
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Facet Filtration Iberica Sa. (CAGE 1653B)

Technical Specifications

Parameter	Value
NSN	4820-01-644-5666
Primary Part Number	3198302-3
Item Name	Valve,vacuum Breaking
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Facet Filtration Iberica Sa.
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
3198302-3	Facet Filtration Iberica Sa. (ESP)

Reference documents

Reference	Meaning
206695 ITEM 8	5/2 Secondary reference U.S. Government activity
201121-01H	3/2 Design control — primary reference U.S. Government activity

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 4820-01-644-5666?

NSN 4820-01-644-5666 is a Valve,vacuum Breaking, manufactured by Facet Filtration Iberica Sa., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-644-5666?

NSN 4820-01-644-5666 has 1 manufacturer part number on file: 3198302-3 (Facet Filtration Iberica Sa.).

Is NSN 4820-01-644-5666 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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