PartsTable TECHNICAL DATA SHEET

NSN 4820-01-212-2500Government record, cited

Seat, Valve4820-01-212-2500

NSN 4820-01-212-2500 · NIIN 012122500 · Part number 04266-8-CF

Hydrasearch Company, Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 32142

Government record, cited

NSN 4820-01-212-2500 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-212-2500. Manufacturer of record part number: 04266-8-CF.

Also searched as 4820-01-212-2500 · 4820012122500 · NIIN 012122500 · 01-212-2500 · FSC 4820 Valves, Nonpowered · CAGE 32142 · 04266-8-CF · 042668CF

Nearby stock numbers ← 4820-01-212-2494 Valve, Restrictor Check · 4820-01-212-2501 Seat, Valve →

4820-01-212-2500 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
Flange Diameter: 3.188 INCHES NOMINAL IN
Body Outside Diameter: 3.189 INCHES NOMINAL IN
Style Designator: PLAIN FLANGED
Body Inside Diameter: 1.562 INCHES NOMINAL IN
Material: STEEL CORROSION RESISTING OVERALL
Seating Surface Shape: FLAT
1 manufacturer part number on file

Identification

NSN: 4820-01-212-2500
NIIN: 012122500
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 04266-8-CF
Manufacturer: Hydrasearch Company, Llc

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-212-2500, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hydrasearch Company, Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-212-2500
Primary Part Number	04266-8-CF
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Hydrasearch Company, Llc
Status	ACTIVE
Flange Diameter	3.188 INCHES NOMINAL IN
Body Outside Diameter	3.189 INCHES NOMINAL IN
Style Designator	PLAIN FLANGED
Body Inside Diameter	1.562 INCHES NOMINAL IN
Material	STEEL CORROSION RESISTING OVERALL
Seating Surface Shape	FLAT

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
04266-8-CF PRIMARY	Hydrasearch Company, Llc (USA)

Reference documents

Reference	Meaning
042668CF	5/9 Secondary reference Hydrasearch Co., Inc. Dba Use CAGE Code 32142 for Cataloging

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 4820-01-212-2500?

NSN 4820-01-212-2500 is a Seat,valve, manufactured by Hydrasearch Company, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-212-2500?

NSN 4820-01-212-2500 has 1 manufacturer part number on file: 04266-8-CF (Hydrasearch Company, Llc).

What are the specifications of 04266-8-CF?

Key specifications for 04266-8-CF: Flange Diameter: 3.188 INCHES NOMINAL IN; Body Outside Diameter: 3.189 INCHES NOMINAL IN; Style Designator: PLAIN FLANGED; Body Inside Diameter: 1.562 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-212-2500 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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