PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

L223FValve,regulating,fluid Pressure

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-00-288-7410 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-288-7410 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-288-7410. Primary manufacturer part number: L223F.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Valve Loading Method: SPRING
  • Media for Which Designed: STEAM
  • First End Style Designator: PLAIN
  • First End Bolt Hole Diameter: 0.875 INCHES NOMINAL IN
  • Body Style: STRAIGHT THRU
  • First End Flange Outside Diameter: 7.500 INCHES NOMINAL IN
  • First End Connection Type: PLAIN FACE FLANGE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Cobalt Alloy Seat construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-288-7410, 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. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-288-7410
Primary Part NumberL223F
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Valve Loading MethodSPRING
Media for Which DesignedSTEAM
First End Style DesignatorPLAIN
First End Bolt Hole Diameter0.875 INCHES NOMINAL IN
Body StyleSTRAIGHT THRU
First End Flange Outside Diameter7.500 INCHES NOMINAL IN
First End Connection TypePLAIN FACE FLANGE
First End Bolt Circle Diameter5.875 INCHES NOMINAL IN
Furnished ItemsINTERNAL PILOT VALVE
First End Bolt Hole Quantity8
Second End Relationship with First EndIDENTICAL
First End Flange Shape StyleROUND W/ BOLT HOLES
Face to Face Distance9.750 INCHES NOMINAL IN
MaterialCOBALT ALLOY SEAT
Valve Stem DesignSINGLE SEAT
Regulation TypeMANUAL SINGLE STAGE
End Connection Quantity2
Outlet Pressure Range15.0 TO 280.0 CAMERA MOUNT
Temp Rating550.0 FAHRENHEIT NOMINAL DEGF
Renewable Seat Ring TypeTHREADED
FilterNOT INCLUDED
Maximum Inlet Pressure RatingERR-060
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY VALVE SIZE AND PRESSURE DATA
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4820-00-287-3585303056601 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-00-288-6642 INTERCHANGEABLE
Valve,regulating,fluid Pressure
2815-00-457-0007199822 INTERCHANGEABLE
Piston,internal Combustion Engin
Cummins Inc.
Cross-Reference Index
Part NumberManufacturer
L223F Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
4820-00-287-3585INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
303056601
4820-00-288-6642INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
2815-00-457-0007INTERCHANGEABLE
PISTON,INTERNAL COMBUSTION ENGIN
199822

Frequently Asked Questions

What is NSN 4820-00-288-7410?

NSN 4820-00-288-7410 is a Valve,regulating,fluid Pressure, 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 4820-00-288-7410?

NSN 4820-00-288-7410 has 1 cross-referenced part number: L223F (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-00-288-7410?

There are 3 known substitutes for 4820-00-288-7410: 4820-00-287-3585, 4820-00-288-6642, 2815-00-457-0007. Verify interchangeability with system specifications before substitution.

What are the specifications of L223F?

Key specifications for L223F: Valve Loading Method: SPRING; Media for Which Designed: STEAM; First End Style Designator: PLAIN; First End Bolt Hole Diameter: 0.875 INCHES NOMINAL IN. 24 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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