Disk, Valve4820-01-220-4193

NSN 4820-01-220-4193 · NIIN 012204193

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-220-4193 · 4820012204193 · NIIN 012204193 · 01-220-4193 · FSC 4820 Valves, Nonpowered

Nearby stock numbers ← 4820-01-220-4192 · 4820-01-220-4597 Valve, Safety Relief →

4820-01-220-4193 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Lower Surface Width: 0.072 INCHES NOMINAL IN
Shoulder Width: 1.085 INCHES NOMINAL IN
Shoulder Height: 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
Outside Diameter: 2.665 INCHES MINIMUM AND 2.670 INCHES MAXIMUM IN
Style Designator: PLAIN
Material Document and Classification: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE
Inside Diameter: 0.165 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN

Identification

NSN: 4820-01-220-4193
NIIN: 012204193
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-220-4193, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-220-4193
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Lower Surface Width	0.072 INCHES NOMINAL IN
Shoulder Width	1.085 INCHES NOMINAL IN
Shoulder Height	0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
Outside Diameter	2.665 INCHES MINIMUM AND 2.670 INCHES MAXIMUM IN
Style Designator	PLAIN
Material Document and Classification	QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE
Inside Diameter	0.165 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
Material	ALUMINUM ALLOY 2024 AND RUBBER SYNTHETIC

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
40P107C3	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 4820-01-220-4193?

NSN 4820-01-220-4193 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-220-4193?

Key specifications for 4820-01-220-4193: Overall Height: 0.418 INCHES NOMINAL IN; Lower Surface Width: 0.072 INCHES NOMINAL IN; Shoulder Width: 1.085 INCHES NOMINAL IN; Shoulder Height: 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-220-4193 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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