Seat, Valve4820-00-431-9131

NSN 4820-00-431-9131 · NIIN 004319131 · Part number 219586-1

Ideal Aerosmith Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 30120

Government record, cited

NSN 4820-00-431-9131 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-431-9131. Manufacturer of record part number: 219586-1.

Also searched as 4820-00-431-9131 · 4820004319131 · NIIN 004319131 · 00-431-9131 · FSC 4820 Valves, Nonpowered · CAGE 30120 · 219586-1

Nearby stock numbers ← 4820-00-431-9127 Valve, Safety Relief · 4820-00-431-9139 →

4820-00-431-9131 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Flange Seat to Disk End Height: 0.351 INCHES NOMINAL IN
Flange Diameter: 0.454 INCHES MINIMUM AND 0.459 INCHES MAXIMUM IN
Body Outside Diameter: 0.300 INCHES NOMINAL IN
Style Designator: PLAIN FLANGED
Body Inside Diameter: 0.0995 INCHES NOMINAL IN
Under Flange Height: 0.055 INCHES NOMINAL IN
Material: PLASTIC POLYCHLOROFLUOROETHYLENE OVERALL

Identification

NSN: 4820-00-431-9131
NIIN: 004319131
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 219586-1
Manufacturer: Ideal Aerosmith Inc

General Description

The Seat,valve, cataloged under National Stock Number 4820-00-431-9131, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ideal Aerosmith Inc. Government technical data includes 9 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-00-431-9131
Primary Part Number	219586-1
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Ideal Aerosmith Inc
Status	ACTIVE
Flange Seat to Disk End Height	0.351 INCHES NOMINAL IN
Flange Diameter	0.454 INCHES MINIMUM AND 0.459 INCHES MAXIMUM IN
Body Outside Diameter	0.300 INCHES NOMINAL IN
Style Designator	PLAIN FLANGED
Body Inside Diameter	0.0995 INCHES NOMINAL IN
Under Flange Height	0.055 INCHES NOMINAL IN
Material	PLASTIC POLYCHLOROFLUOROETHYLENE OVERALL
Seat Angle in Deg	30.000 NOMINAL
Seating Surface Shape	ANGULAR

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
219586-1 PRIMARY	Ideal Aerosmith Inc (USA)

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 4820-00-431-9131?

NSN 4820-00-431-9131 is a Seat,valve, manufactured by Ideal Aerosmith Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-00-431-9131?

NSN 4820-00-431-9131 has 1 manufacturer part number on file: 219586-1 (Ideal Aerosmith Inc).

What are the specifications of 219586-1?

Key specifications for 219586-1: Flange Seat to Disk End Height: 0.351 INCHES NOMINAL IN; Flange Diameter: 0.454 INCHES MINIMUM AND 0.459 INCHES MAXIMUM IN; Body Outside Diameter: 0.300 INCHES NOMINAL IN; Style Designator: PLAIN FLANGED. 9 specifications are documented in the U.S. Government catalog.

Is NSN 4820-00-431-9131 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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