Seat, Valve4820-01-221-2023

NSN 4820-01-221-2023 · NIIN 012212023 · Part number PL-1838 ITEM 6

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

Government record, cited

NSN 4820-01-221-2023 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-221-2023. Manufacturer of record part number: PL-1838 ITEM 6.

Also searched as 4820-01-221-2023 · 4820012212023 · NIIN 012212023 · 01-221-2023 · FSC 4820 Valves, Nonpowered · CAGE 32142 · PL-1838 ITEM 6

Nearby stock numbers ← 4820-01-221-2012 Valve, Check · 4820-01-221-2030 Parts Kit, Ball Valve →

4820-01-221-2023 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Hydrasearch Company, Llc

Identification

NSN: 4820-01-221-2023
NIIN: 012212023
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: PL-1838 ITEM 6
Manufacturer: Hydrasearch Company, Llc

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-221-2023, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hydrasearch Company, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Seat,valve
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Hydrasearch Company, Llc (CAGE 32142)

Technical Specifications

Parameter	Value
NSN	4820-01-221-2023
Primary Part Number	PL-1838 ITEM 6
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Hydrasearch Company, Llc
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
PL-1838 ITEM 6 PRIMARY	Hydrasearch Company, Llc (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 4820-01-221-2023?

NSN 4820-01-221-2023 is a Seat,valve, manufactured by Hydrasearch Company, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-221-2023?

NSN 4820-01-221-2023 has 1 manufacturer part number on file: PL-1838 ITEM 6 (Hydrasearch Company, Llc).

Is NSN 4820-01-221-2023 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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