Diaphragm, Valve, Flat4820-01-182-2864

NSN 4820-01-182-2864 · NIIN 011822864

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-182-2864 · 4820011822864 · NIIN 011822864 · 01-182-2864 · FSC 4820 Valves, Nonpowered · D25022 · D25022 · D25022MRC · D25022MRC

Nearby stock numbers ← 4820-01-182-2863 Disk, Valve · 4820-01-182-3074 Parts Kit, Pressure Regulating VA →

4820-01-182-2864 — Valves, Nonpowered

Features

Diaphragm,valve,flat — FSC 4820
Outside Diameter: 8.000 INCHES NOMINAL IN
Style Designator: FLAT
Material Thickness: 0.125 INCHES NOMINAL IN
Center Hole Diameter: 0.438 INCHES NOMINAL IN
Material: RUBBER

Identification

NSN: 4820-01-182-2864
NIIN: 011822864
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-182-2864, 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5 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	4820-01-182-2864
Item Name	Diaphragm,valve,flat
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Outside Diameter	8.000 INCHES NOMINAL IN
Style Designator	FLAT
Material Thickness	0.125 INCHES NOMINAL IN
Center Hole Diameter	0.438 INCHES NOMINAL IN
Material	RUBBER

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
D25022	C/1 Advisory reference — outside the item-of-supply concept Hunt Valve Company, Inc.
D25022	5/9 Secondary reference Hunt Valve Company Inc Dba Union Flonetics
D25022MRC	C/1 Advisory reference — outside the item-of-supply concept Hunt Valve Company, Inc.
D25022MRC	3/9 Design control — primary reference Hunt Valve Company Inc Dba Union Flonetics

Frequently Asked Questions

What is NSN 4820-01-182-2864?

NSN 4820-01-182-2864 is a Diaphragm,valve,flat, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-182-2864?

Key specifications for 4820-01-182-2864: Outside Diameter: 8.000 INCHES NOMINAL IN; Style Designator: FLAT; Material Thickness: 0.125 INCHES NOMINAL IN; Center Hole Diameter: 0.438 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-182-2864 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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