PartsTable TECHNICAL DATA SHEET

NSN 4820-01-644-6407Government record, cited

Divider, Valve Flow4820-01-644-6407

NSN 4820-01-644-6407 · NIIN 016446407 · Part number F181003

Lake Shore Systems, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 34712

Government record, cited

NSN 4820-01-644-6407 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-644-6407. Manufacturer of record part number: F181003.

Also searched as 4820-01-644-6407 · 4820016446407 · NIIN 016446407 · 01-644-6407 · FSC 4820 Valves, Nonpowered · CAGE 34712 · F181003 · F149003 REV B ITEM NO.6 · F181003 REV -

Nearby stock numbers ← 4820-01-644-6361 Valve, Safety Relief · 4820-01-644-6409 Valve, Regulating, Temperature →

4820-01-644-6407 — Valves, Nonpowered

Features

Divider,valve Flow — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Lake Shore Systems, Inc.

Identification

NSN: 4820-01-644-6407
NIIN: 016446407
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: F181003
Manufacturer: Lake Shore Systems, Inc.

General Description

The Divider,valve Flow, cataloged under National Stock Number 4820-01-644-6407, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lake Shore Systems, Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	Divider,valve Flow
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Lake Shore Systems, Inc. (CAGE 34712); Lake Shore Systems, Inc. (CAGE 7QAR4)

Technical Specifications

Parameter	Value
NSN	4820-01-644-6407
Primary Part Number	F181003
Item Name	Divider,valve Flow
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Lake Shore 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
F181003 PRIMARY	Lake Shore Systems, Inc. (USA)
F181003	Lake Shore Systems, Inc. (USA)

Reference documents

Reference	Meaning
F149003 REV B ITEM NO.6	5/1 Secondary reference Lake Shore Systems, Inc.
F181003 REV -	5/1 Secondary reference Lake Shore Systems, Inc.

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 4820-01-644-6407?

NSN 4820-01-644-6407 is a Divider,valve Flow, manufactured by Lake Shore Systems, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-644-6407?

NSN 4820-01-644-6407 has 2 manufacturer part numbers on file: F181003 (Lake Shore Systems, Inc.), F181003 (Lake Shore Systems, Inc.).

Is NSN 4820-01-644-6407 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