Disk, Valve4820-01-124-7813

NSN 4820-01-124-7813 · NIIN 011247813

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-124-7813 · 4820011247813 · NIIN 011247813 · 01-124-7813 · FSC 4820 Valves, Nonpowered · SS845-2445191 PIECE3X8 3IN · SS845-2445191 · 2632-902X3 PIECE3X8 3IN

Nearby stock numbers ← 4820-01-124-7809 Disk, Valve · 4820-01-124-7908 Disk, Valve →

4820-01-124-7813 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Taper Minor Diameter: 0.650 INCHES NOMINAL IN
Style Designator: SOLID WEDGE
Taper Major Diameter: 1.225 INCHES NOMINAL IN
Taper Length: 4.470 INCHES NOMINAL IN
Material: COPPER ALLOY AND NICKEL ALLOY

Identification

NSN: 4820-01-124-7813
NIIN: 011247813
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-124-7813, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-124-7813
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Taper Minor Diameter	0.650 INCHES NOMINAL IN
Style Designator	SOLID WEDGE
Taper Major Diameter	1.225 INCHES NOMINAL IN
Taper Length	4.470 INCHES NOMINAL IN
Material	COPPER ALLOY AND NICKEL 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

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4820-01-133-39672632-902X3 ASSY D 6IN POSSIBLE MATCH

VALVE,GATE

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

Cross-Reference Index

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

Reference documents

Reference	Meaning
SS845-2445191 PIECE3X8 3IN	5/2 Secondary reference U.S. Government activity
SS845-2445191	D/9 Drawing number reference only U.S. Government activity
2632-902X3 PIECE3X8 3IN	3/2 Design control — primary reference U.S. Government activity

Related Parts

4820-01-133-3967POSSIBLE MATCH

VALVE,GATE

2632-902X3 ASSY D 6IN

Frequently Asked Questions

What is NSN 4820-01-124-7813?

NSN 4820-01-124-7813 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-124-7813?

1 possible match (shared part number, not a government interchangeability claim): 4820-01-133-3967. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-124-7813?

Key specifications for 4820-01-124-7813: Taper Minor Diameter: 0.650 INCHES NOMINAL IN; Style Designator: SOLID WEDGE; Taper Major Diameter: 1.225 INCHES NOMINAL IN; Taper Length: 4.470 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-124-7813 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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