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NSN 4820-00-009-0644Government record, cited

Valve, Check4820-00-009-0644

NSN 4820-00-009-0644 · NIIN 000090644 · Part number M4014-10-10

Ausco Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 06239

Government record, cited

NSN 4820-00-009-0644 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-009-0644. Manufacturer of record part number: M4014-10-10.

Also searched as 4820-00-009-0644 · 4820000090644 · NIIN 000090644 · 00-009-0644 · FSC 4820 Valves, Nonpowered · CAGE 06239 · M4014-10-10 · 2-43923-7 · 2-43923-7 · 2C5310

Nearby stock numbers ← 4820-00-009-0634 · 4820-00-009-1415 →

4820-00-009-0644 — Valves, Nonpowered

Features

Valve,check — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Ausco Inc

Identification

NSN: 4820-00-009-0644
NIIN: 000090644
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: M4014-10-10
Manufacturer: Ausco Inc

General Description

The Valve,check, cataloged under National Stock Number 4820-00-009-0644, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ausco Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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,check
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Ausco Inc (CAGE 06239)

Technical Specifications

Parameter	Value
NSN	4820-00-009-0644
Primary Part Number	M4014-10-10
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Ausco 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	Y

Cross-Reference Index

Part Number	Manufacturer
M4014-10-10	Ausco Inc (USA)

Reference documents

Reference	Meaning
2-43923-7	7/9 Vendor item drawing reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems
2-43923-7	C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector
2C5310	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 4820-00-009-0644?

NSN 4820-00-009-0644 is a Valve,check, manufactured by Ausco Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-00-009-0644?

NSN 4820-00-009-0644 has 1 manufacturer part number on file: M4014-10-10 (Ausco Inc).

Is NSN 4820-00-009-0644 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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