Stem, Fluid Valve4820-01-342-8779

NSN 4820-01-342-8779 · NIIN 013428779 · Part number 50931-R REF QWA-1 S/N E76G0627

Schneider Electric Systems Usa Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 73475

Government record, cited

NSN 4820-01-342-8779 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-342-8779. Manufacturer of record part number: 50931-R REF QWA-1 S/N E76G0627.

Also searched as 4820-01-342-8779 · 4820013428779 · NIIN 013428779 · 01-342-8779 · FSC 4820 Valves, Nonpowered · CAGE 73475 · 50931-R REF QWA-1 S/N E76G0627 · QWA-1

Nearby stock numbers ← 4820-01-342-8775 · 4820-01-342-8834 Disk, Valve →

4820-01-342-8779 — Valves, Nonpowered

Features

Stem,fluid Valve — FSC 4820
Furnished Items and Quantity: 1 DISK
Valve Type for Which Designed: REGULATOR
Valve Size for Which Designed: 1.000 INCHES IN
Material: STEEL CORROSION RESISTING
2 manufacturer part numbers on file
Manufacturer of record: Schneider Electric Systems Usa Inc

Identification

NSN: 4820-01-342-8779
NIIN: 013428779
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 50931-R REF QWA-1 S/N E76G0627
Manufacturer: Schneider Electric Systems Usa Inc

General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-342-8779, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Schneider Electric Systems Usa Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-342-8779
Primary Part Number	50931-R REF QWA-1 S/N E76G0627
Item Name	Stem,fluid Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Schneider Electric Systems Usa Inc
Status	ACTIVE
Furnished Items and Quantity	1 DISK
Valve Type for Which Designed	REGULATOR
Valve Size for Which Designed	1.000 INCHES IN
Material	STEEL CORROSION RESISTING

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
50931-R REF QWA-1 S/N E76G0627 PRIMARY	Schneider Electric Systems Usa Inc (USA)
QWA-1	Schneider Electric Systems Usa 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 4820-01-342-8779?

NSN 4820-01-342-8779 is a Stem,fluid Valve, manufactured by Schneider Electric Systems Usa Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-342-8779?

NSN 4820-01-342-8779 has 2 manufacturer part numbers on file: 50931-R REF QWA-1 S/N E76G0627 (Schneider Electric Systems Usa Inc), QWA-1 (Schneider Electric Systems Usa Inc).

What are the specifications of 50931-R REF QWA-1 S/N E76G0627?

Key specifications for 50931-R REF QWA-1 S/N E76G0627: Furnished Items and Quantity: 1 DISK; Valve Type for Which Designed: REGULATOR; Valve Size for Which Designed: 1.000 INCHES IN; Material: STEEL CORROSION RESISTING. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-342-8779 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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