PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PL4209 ITEM 10Inner Valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-150-3289 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-150-3289 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-150-3289. Primary manufacturer part number: PL4209 ITEM 10.
Features
  • Inner Valve — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Inner Valve, cataloged under National Stock Number 4820-01-150-3289, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameInner Valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersLeslie Controls, Inc. Dba Leslie Controls Inc (CAGE 35795)
Technical Specifications
ParameterValue
NSN4820-01-150-3289
Primary Part NumberPL4209 ITEM 10
Item NameInner Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-01-119-2008 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
PL4209 ITEM 10 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
27042-33 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5331-01-119-2008INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 4820-01-150-3289?

NSN 4820-01-150-3289 is a Inner Valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-150-3289?

NSN 4820-01-150-3289 has 2 cross-referenced part numbers: PL4209 ITEM 10 (Leslie Controls, Inc. Dba Leslie Controls Inc), 27042-33 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-150-3289?

There is 1 known substitute for 4820-01-150-3289: 5331-01-119-2008. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com