Manifold, Valve4820-01-221-5634

NSN 4820-01-221-5634 · NIIN 012215634 · Part number 1976649

Northrop Grumman Systems Corporation · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 03956

Government record, cited

NSN 4820-01-221-5634 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-221-5634. Manufacturer of record part number: 1976649.

Also searched as 4820-01-221-5634 · 4820012215634 · NIIN 012215634 · 01-221-5634 · FSC 4820 Valves, Nonpowered · CAGE 03956 · 1976649

Nearby stock numbers ← 4820-01-221-5631 · 4820-01-221-5636 Valve Assembly →

4820-01-221-5634 — Valves, Nonpowered

Features

Manifold,valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Northrop Grumman Systems Corporation

Identification

NSN: 4820-01-221-5634
NIIN: 012215634
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1976649
Manufacturer: Northrop Grumman Systems Corporation

General Description

The Manifold,valve, cataloged under National Stock Number 4820-01-221-5634, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Northrop Grumman Systems Corporation. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Manifold,valve
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Northrop Grumman Systems Corporation (CAGE 03956)

Technical Specifications

Parameter	Value
NSN	4820-01-221-5634
Primary Part Number	1976649
Item Name	Manifold,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Northrop Grumman Systems Corporation
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
1976649 PRIMARY	Northrop Grumman Systems Corporation (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 4820-01-221-5634?

NSN 4820-01-221-5634 is a Manifold,valve, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-221-5634?

NSN 4820-01-221-5634 has 1 manufacturer part number on file: 1976649 (Northrop Grumman Systems Corporation).

Is NSN 4820-01-221-5634 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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