Valve, Regulating, Fluid Pressure4820-01-238-2919

NSN 4820-01-238-2919 · NIIN 012382919 · Part number LY-1IN 300LB FLGE 30/3.4.1

Leslie Controls, Inc. Dba Leslie Controls Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 35795

Government record, cited

NSN 4820-01-238-2919 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-238-2919. Manufacturer of record part number: LY-1IN 300LB FLGE 30/3.4.1.

Also searched as 4820-01-238-2919 · 4820012382919 · NIIN 012382919 · 01-238-2919 · FSC 4820 Valves, Nonpowered · CAGE 35795 · LY-1IN 300LB FLGE 30/3.4.1

Nearby stock numbers ← 4820-01-238-2905 Valve, Stop-Check · 4820-01-238-2926 Parts Kit, Pressure Regulating VA →

4820-01-238-2919 — Valves, Nonpowered

Features

Valve,regulating,fluid Pressure — FSC 4820
Valve Stem Design: SINGLE SEAT
Second End Relationship with First End: IDENTICAL
Body Style: STRAIGHT THRU
End Connection Quantity: 2
Valve Loading Method: SPRING
First End Connection Type: PLAIN FACE FLANGE
Material: STEEL CORROSION RESISTING SEAT

Identification

NSN: 4820-01-238-2919
NIIN: 012382919
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: LY-1IN 300LB FLGE 30/3.4.1
Manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc

General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-238-2919, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 10 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	4820-01-238-2919
Primary Part Number	LY-1IN 300LB FLGE 30/3.4.1
Item Name	Valve,regulating,fluid Pressure
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Leslie Controls, Inc. Dba Leslie Controls Inc
Status	ACTIVE
Valve Stem Design	SINGLE SEAT
Second End Relationship with First End	IDENTICAL
Body Style	STRAIGHT THRU
End Connection Quantity	2
Valve Loading Method	SPRING
First End Connection Type	PLAIN FACE FLANGE
Material	STEEL CORROSION RESISTING SEAT
Media for Which Designed	STEAM
Maximum Inlet Pressure Rating	ERR-060
Filter	NOT INCLUDED

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
LY-1IN 300LB FLGE 30/3.4.1 PRIMARY	Leslie Controls, Inc. Dba Leslie Controls 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 4820-01-238-2919?

NSN 4820-01-238-2919 is a Valve,regulating,fluid Pressure, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-238-2919?

NSN 4820-01-238-2919 has 1 manufacturer part number on file: LY-1IN 300LB FLGE 30/3.4.1 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What are the specifications of LY-1IN 300LB FLGE 30/3.4.1?

Key specifications for LY-1IN 300LB FLGE 30/3.4.1: Valve Stem Design: SINGLE SEAT; Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU; End Connection Quantity: 2. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-238-2919 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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