PartsTable TECHNICAL DATA SHEET

NSN 4820-01-219-5567Government record, cited

Disk, Valve4820-01-219-5567

NSN 4820-01-219-5567 · NIIN 012195567 · Part number 3529961-1

O-Two Medical Technologies Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 38186

Government record, cited

NSN 4820-01-219-5567 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-219-5567. Manufacturer of record part number: 3529961-1.

Also searched as 4820-01-219-5567 · 4820012195567 · NIIN 012195567 · 01-219-5567 · FSC 4820 Valves, Nonpowered · CAGE 38186 · 3529961-1

Nearby stock numbers ← 4820-01-219-5566 · 4820-01-219-5568 Disk, Valve →

4820-01-219-5567 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: O-Two Medical Technologies Inc

Identification

NSN: 4820-01-219-5567
NIIN: 012195567
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 3529961-1
Manufacturer: O-Two Medical Technologies Inc

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-219-5567, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is O-Two Medical Technologies Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Disk,valve
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	O-Two Medical Technologies Inc (CAGE 38186)

Technical Specifications

Parameter	Value
NSN	4820-01-219-5567
Primary Part Number	3529961-1
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	O-Two Medical Technologies Inc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
3529961-1 PRIMARY	O-Two Medical Technologies Inc (CAN)

Reference documents

Reference	Meaning
3529961-1	5/9 Secondary 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 4820-01-219-5567?

NSN 4820-01-219-5567 is a Disk,valve, manufactured by O-Two Medical Technologies Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-219-5567?

NSN 4820-01-219-5567 has 1 manufacturer part number on file: 3529961-1 (O-Two Medical Technologies Inc).

Is NSN 4820-01-219-5567 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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