PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MDL 30 3INValve,regulating,fluid Pressure

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-232-8136 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-232-8136 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-232-8136. Primary manufacturer part number: MDL 30 3IN.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Second End Relationship with First End: IDENTICAL
  • First End Flange Thickness: 1.125 INCHES NOMINAL IN
  • Material Document and Classification: UNABLE TO DECODE
  • Material: NICKEL ALLOY STEM
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
  • First End Flange Outside Diameter: 8.250 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: 1 TYPE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Stem construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-232-8136, 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 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-232-8136
Primary Part NumberMDL 30 3IN
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Second End Relationship with First EndIDENTICAL
First End Flange Thickness1.125 INCHES NOMINAL IN
Material Document and ClassificationUNABLE TO DECODE
MaterialNICKEL ALLOY STEM
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
First End Flange Outside Diameter8.250 INCHES NOMINAL IN
Nondefinitive Spec/std Data1 TYPE
Body StyleSTRAIGHT THRU
Regulation TypeAUTOMATIC SINGLE STAGE
First End Bolt Hole Diameter0.875 INCHES NOMINAL IN
MaterialRUBBER SEAT
First End Connection TypePLAIN FACE FLANGE
First End Bolt Circle Diameter6.625 INCHES NOMINAL IN
End Connection Quantity2
Media for Which DesignedWATER, SALT
Face to Face Distance12.500 INCHES NOMINAL IN
First End Style DesignatorPLAIN
FilterNOT INCLUDED
First End Flange Shape StyleROUND W/ BOLT HOLES
Maximum Inlet Pressure RatingERR-060
Valve Loading MethodSPRING
Outlet Pressure Range90.0 TO 150.0 CAMERA MOUNT
Valve Stem DesignSINGLE SEAT
First End Bolt Hole Quantity8
Flow Control DeviceDIAPHRAGM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-01-140-0530YB2310F223X1 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-156-037130813079 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Warren Controls, Inc.
4820-01-187-2090YB2310H722 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-213-758640404-206 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-230-8984YB2310F723 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-313-766740443-410 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-329-50088112301A INTERCHANGEABLE
Valve,regulating,fluid Pressure
Griswold Industries Dba Cla-Val Co
4820-01-379-462540444 ASSEMBLY 40444-905 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-395-2241 INTERCHANGEABLE
Valve,regulating,system Pressure
4820-01-395-526830809020 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Warren Controls, Inc.
Cross-Reference Index
Part NumberManufacturer
MDL 30 3IN PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
30 AND N579 90T Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
MIL-V-2042D Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
N579 90 TO 150PSI PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
MIL-V-2042 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4820-01-140-0530INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
YB2310F223X1
4820-01-156-0371INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
30813079
4820-01-187-2090INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
YB2310H722
4820-01-213-7586INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40404-206
4820-01-230-8984INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
YB2310F723
4820-01-313-7667INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40443-410
4820-01-329-5008INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
8112301A
4820-01-379-4625INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40444 ASSEMBLY 40444-905
4820-01-395-2241INTERCHANGEABLE
VALVE,REGULATING,SYSTEM PRESSURE
4820-01-395-5268INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
30809020
4820-01-546-8622INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40766-202
4820-01-546-8674INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40751-201

Frequently Asked Questions

What is NSN 4820-01-232-8136?

NSN 4820-01-232-8136 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 4820-01-232-8136?

NSN 4820-01-232-8136 has 5 cross-referenced part numbers: MDL 30 3IN (Leslie Controls, Inc. Dba Leslie Controls Inc), 30 AND N579 90T (Leslie Controls, Inc. Dba Leslie Controls Inc), MIL-V-2042D (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), N579 90 TO 150PSI (Leslie Controls, Inc. Dba Leslie Controls Inc), MIL-V-2042 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 4820-01-232-8136?

There are 12 known substitutes for 4820-01-232-8136: 4820-01-140-0530, 4820-01-156-0371, 4820-01-187-2090 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MDL 30 3IN?

Key specifications for MDL 30 3IN: Second End Relationship with First End: IDENTICAL; First End Flange Thickness: 1.125 INCHES NOMINAL IN; Material Document and Classification: UNABLE TO DECODE; Material: NICKEL ALLOY STEM. 25 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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