PartsTable TECHNICAL DATA SHEET

NSN 4820-01-561-4012Government record, cited

Valve Assembly, Manifold4820-01-561-4012

NSN 4820-01-561-4012 · NIIN 015614012 · Part number UHK31239-1

General Atomics Aeronautical Systems, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 0YJB5

Government record, cited

NSN 4820-01-561-4012 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-561-4012. Manufacturer of record part number: UHK31239-1.

Also searched as 4820-01-561-4012 · 4820015614012 · NIIN 015614012 · 01-561-4012 · FSC 4820 Valves, Nonpowered · CAGE 0YJB5 · UHK31239-1

Nearby stock numbers ← 4820-01-561-3975 Body, Valve · 4820-01-561-4147 Valve, Check →

4820-01-561-4012 — Valves, Nonpowered

Features

Valve Assembly,manifold — FSC 4820
1 manufacturer part number on file
Manufacturer of record: General Atomics Aeronautical Systems, Inc.

Identification

NSN: 4820-01-561-4012
NIIN: 015614012
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: UHK31239-1
Manufacturer: General Atomics Aeronautical Systems, Inc.

General Description

The Valve Assembly,manifold, cataloged under National Stock Number 4820-01-561-4012, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is General Atomics Aeronautical Systems, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-561-4012
Primary Part Number	UHK31239-1
Item Name	Valve Assembly,manifold
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	General Atomics Aeronautical Systems, Inc.
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL Q — CCL Item — Commerce Control List
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
UHK31239-1 PRIMARY	General Atomics Aeronautical 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 4820-01-561-4012?

NSN 4820-01-561-4012 is a Valve Assembly,manifold, manufactured by General Atomics Aeronautical Systems, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-561-4012?

NSN 4820-01-561-4012 has 1 manufacturer part number on file: UHK31239-1 (General Atomics Aeronautical Systems, Inc.).

What are the specifications of UHK31239-1?

Key specifications for UHK31239-1: Part Name Assigned by Controlling Agency: VALVE ASSY NOSE LANDING; End Item Identification: MQ1 AIRCRAFT. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-561-4012 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.

What is the DEMIL code for NSN 4820-01-561-4012?

NSN 4820-01-561-4012 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.

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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