Disk, Valve4820-01-419-2563

NSN 4820-01-419-2563 · NIIN 014192563

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-419-2563 · 4820014192563 · NIIN 014192563 · 01-419-2563 · FSC 4820 Valves, Nonpowered · 1931002 · SS845-1931002 PIECE 3,5,10 · 1931002 PIECE 3,5,10

Nearby stock numbers ← 4820-01-419-2562 Valve, Safety Relief · 4820-01-419-2564 Stem, Fluid Valve →

4820-01-419-2563 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Flange Seat to Disk End Height: 1.125 INCHES NOMINAL IN
Outside Diameter: 6.438 INCHES NOMINAL IN
Style Designator: SWING CHECK
Material: COPPER ALLOY

Identification

NSN: 4820-01-419-2563
NIIN: 014192563
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-419-2563, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-419-2563
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Flange Seat to Disk End Height	1.125 INCHES NOMINAL IN
Outside Diameter	6.438 INCHES NOMINAL IN
Style Designator	SWING CHECK
Material	COPPER ALLOY

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
1931002	D/9 Drawing number reference only U.S. Government activity
SS845-1931002 PIECE 3,5,10	5/9 Secondary reference U.S. Government activity
1931002 PIECE 3,5,10	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 4820-01-419-2563?

NSN 4820-01-419-2563 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-419-2563?

Key specifications for 4820-01-419-2563: Flange Seat to Disk End Height: 1.125 INCHES NOMINAL IN; Outside Diameter: 6.438 INCHES NOMINAL IN; Style Designator: SWING CHECK; Special Features: INCL DISK STUD AND DISK FACING. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-419-2563 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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