PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

YB2311A223Valve,regulating,fluid Pressure

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-424-2682 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-424-2682 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-424-2682. Primary manufacturer part number: YB2311A223.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Material: COPPER ALLOY 922 BODY
  • Valve Loading Method: SPRING
  • Flow Control Device: DISK
  • First End Connection Type: UNTHREADED INTERNAL PIPE
  • Body Style: STRAIGHT THRU
  • Filter: NOT INCLUDED
  • Regulation Type: AUTOMATIC SINGLE STAGE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 922 Body construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-424-2682, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-424-2682
Primary Part NumberYB2311A223
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
MaterialCOPPER ALLOY 922 BODY
Valve Loading MethodSPRING
Flow Control DeviceDISK
First End Connection TypeUNTHREADED INTERNAL PIPE
Body StyleSTRAIGHT THRU
FilterNOT INCLUDED
Regulation TypeAUTOMATIC SINGLE STAGE
End Connection Quantity2
Valve Stem DesignSINGLE SEAT
Outlet Pressure Range25.0 TO 45.0 CAMERA MOUNT
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
MaterialNICKEL ALLOY OR NICKEL ALLOY 400 STEM
First End Style DesignatorSOCKET W/BRAZING RING
First End Nominal Pipe Size Accommodated0.250 INCHES IN
Second End Relationship with First EndIDENTICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5360-00-291-1203A1254 INTERCHANGEABLE
Spring,helical,compression
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
5935-00-636-62432C7 INTERCHANGEABLE
Socket,plug-in Electronic Compon
L3harris Interstate Electronics Corporation
4820-01-109-6152N-522XN-654 60T100PSI INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-151-8969N-522 X N-530 40T70PSI INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-237-283030 90T150PSI N-522 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-397-5366NB22248727 INTERCHANGEABLE
Retainer,disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-398-1416NB23028823 INTERCHANGEABLE
Cap,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-407-2964YB2318A221 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-471-6210 INTERCHANGEABLE
Valve,regulating,fluid Pressure
6695-01-675-0314N612 INTERCHANGEABLE
Calibration Set,primary Referenc
Copper Mountain Technologies
Cross-Reference Index
Part NumberManufacturer
N-612 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N522 X N612 .25IPS 24T45 SBU Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
YB2311A223 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N-522 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5360-00-291-1203INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
A1254
5935-00-636-6243INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
2C7
4820-01-109-6152INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
N-522XN-654 60T100PSI
4820-01-151-8969INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
N-522 X N-530 40T70PSI
4820-01-237-2830INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
30 90T150PSI N-522
4820-01-397-5366INTERCHANGEABLE
RETAINER,DISK,VALVE
NB22248727
4820-01-398-1416INTERCHANGEABLE
CAP,VALVE
NB23028823
4820-01-407-2964INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
YB2318A221
4820-01-471-6210INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
6695-01-675-0314INTERCHANGEABLE
CALIBRATION SET,PRIMARY REFERENC
N612

Frequently Asked Questions

What is NSN 4820-01-424-2682?

NSN 4820-01-424-2682 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 4820-01-424-2682?

NSN 4820-01-424-2682 has 4 cross-referenced part numbers: N-612 (Leslie Controls, Inc. Dba Leslie Controls Inc), N522 X N612 .25IPS 24T45 SBU (Leslie Controls, Inc. Dba Leslie Controls Inc), YB2311A223 (Leslie Controls, Inc. Dba Leslie Controls Inc), N-522 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-424-2682?

There are 10 known substitutes for 4820-01-424-2682: 5360-00-291-1203, 5935-00-636-6243, 4820-01-109-6152 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of YB2311A223?

Key specifications for YB2311A223: Material: COPPER ALLOY 922 BODY; Valve Loading Method: SPRING; Flow Control Device: DISK; First End Connection Type: UNTHREADED INTERNAL PIPE. 16 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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