PartsTable TECHNICAL DATA SHEET

NSN 4820-01-019-2201Government record, cited

Seat, Valve4820-01-019-2201

NSN 4820-01-019-2201 · NIIN 010192201 · Part number 21593009

Nibco Inc Chemtrol Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 61623

Government record, cited

NSN 4820-01-019-2201 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-019-2201. Manufacturer of record part number: 21593009.

Also searched as 4820-01-019-2201 · 4820010192201 · NIIN 010192201 · 01-019-2201 · FSC 4820 Valves, Nonpowered · CAGE 61623 · 21593009

Nearby stock numbers ← 4820-01-019-1881 · 4820-01-019-2204 →

4820-01-019-2201 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Body Inside Diameter: 1.000 INCHES NOMINAL IN
Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
1 manufacturer part number on file
Manufacturer of record: Nibco Inc Chemtrol Div

Identification

NSN: 4820-01-019-2201
NIIN: 010192201
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 21593009
Manufacturer: Nibco Inc Chemtrol Div

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-019-2201, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Nibco Inc Chemtrol Div. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications

Parameter	Value
NSN	4820-01-019-2201
Primary Part Number	21593009
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Nibco Inc Chemtrol Div
Status	ACTIVE
Body Inside Diameter	1.000 INCHES NOMINAL IN
Material	PLASTIC POLYTETRAFLUOROETHYLENE OVERALL

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

Part Number	Manufacturer
21593009 PRIMARY	Nibco Inc Chemtrol Div (USA)

Reference documents

Reference	Meaning
21593009	3/9 Design control — primary reference Nibco Inc

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 4820-01-019-2201?

NSN 4820-01-019-2201 is a Seat,valve, manufactured by Nibco Inc Chemtrol Div, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-019-2201?

NSN 4820-01-019-2201 has 1 manufacturer part number on file: 21593009 (Nibco Inc Chemtrol Div).

What are the specifications of 21593009?

Key specifications for 21593009: Body Inside Diameter: 1.000 INCHES NOMINAL IN; Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-019-2201 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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