PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2385H227Valve,safety Relief

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-240-8335 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-240-8335 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-240-8335. Primary manufacturer part number: 2385H227.
Features
  • Valve,safety Relief — FSC 4820
  • Valve Size: 2.000 INCHES IN
  • Maximum Operating Temp: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • First Connection Face to Centerline Distance: 4.125 INCHES IN
  • Media for Which Designed: WATER, SALT SINGLE RESPONSE
  • Second Connection Face to Centerline Distance: 4.125 INCHES IN
  • Valve Operation Method: AUTOMATIC OR MANUAL
  • Flange Shape: ROUND WITH HOLES ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr Flow Control Device construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-240-8335, 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 7 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-240-8335
Primary Part Number2385H227
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusCANCELLED
Valve Size2.000 INCHES IN
Maximum Operating Temp180.0 FAHRENHEIT SINGLE RESPONSE DEGF
First Connection Face to Centerline Distance4.125 INCHES IN
Media for Which DesignedWATER, SALT SINGLE RESPONSE
Second Connection Face to Centerline Distance4.125 INCHES IN
Valve Operation MethodAUTOMATIC OR MANUAL
Flange ShapeROUND WITH HOLES ALL ENDS
Bonnet TypeINSIDE SCREW
Disk Loading MethodSPRING
Style DesignatorANGLE FLANGED ENDS
Adjustable Pressure Range+90.0 TO 140.0 POUNDS PER SQUARE INCH LBS
Bolt Circle Nominal Diameter4.438 INCHES ALL ENDS IN
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
Connection TypeFLANGE ALL ENDS
Nominal Outside Diameter5.562 INCHES ALL ENDS IN
MaterialCOPPER ALLOY BODY
Bonnet Attachment MethodTHREADED
Nominal Thickness0.438 INCHES ALL ENDS IN
Flow Control DeviceDISK
Flange Face DesignPLAIN ALL ENDS
Bolt Hole Quantity6 ALL ENDS
Bolt Hole Nominal Diameter0.562 INCHES ALL ENDS IN
Material Document and ClassificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
Furnished Items and Quantity1 LEVER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
4820-01-197-3710YB2385G224 INTERCHANGEABLE
Valve,safety Relief
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-198-27452385H228 INTERCHANGEABLE
Valve,safety Relief
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-222-0216C3459 1X2IPS45T70PSI PL4143 INTERCHANGEABLE
Valve,safety Relief
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-222-2716C3459 1.25IN12T35PSI PL4142 INTERCHANGEABLE
Valve,safety Relief
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-228-1024C3459 PL 4149 1/4IN 30T50PSI INTERCHANGEABLE
Valve,safety Relief
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-231-2715C3459 1384 3/4IN 45T70PSI INTERCHANGEABLE
Valve,safety Relief
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-236-5972YB2385E222 INTERCHANGEABLE
Valve,safety Relief
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-236-5978C3459 PL4142 65T 100PSI INTERCHANGEABLE
Valve,safety Relief
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-296-4820C3459 2 IN INTERCHANGEABLE
Valve,safety Relief
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
2385H227 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
C3459 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
1384 2IN 90T140 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
1384 2IN 90T140PSI PL4136 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
C3659-PL4136-90T140PSI Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
C3459 1 1/4IN90T140PSI PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
1384 1 1/4IN90T Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
4820-01-197-3710INTERCHANGEABLE
VALVE,SAFETY RELIEF
YB2385G224
4820-01-198-2745INTERCHANGEABLE
VALVE,SAFETY RELIEF
2385H228
4820-01-222-0216INTERCHANGEABLE
VALVE,SAFETY RELIEF
C3459 1X2IPS45T70PSI PL4143
4820-01-222-2716INTERCHANGEABLE
VALVE,SAFETY RELIEF
C3459 1.25IN12T35PSI PL4142
4820-01-228-1024INTERCHANGEABLE
VALVE,SAFETY RELIEF
C3459 PL 4149 1/4IN 30T50PSI
4820-01-231-2715INTERCHANGEABLE
VALVE,SAFETY RELIEF
C3459 1384 3/4IN 45T70PSI
4820-01-236-5972INTERCHANGEABLE
VALVE,SAFETY RELIEF
YB2385E222
4820-01-236-5978INTERCHANGEABLE
VALVE,SAFETY RELIEF
C3459 PL4142 65T 100PSI
4820-01-296-4820INTERCHANGEABLE
VALVE,SAFETY RELIEF
C3459 2 IN

Frequently Asked Questions

What is NSN 4820-01-240-8335?

NSN 4820-01-240-8335 is a Valve,safety Relief, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-240-8335?

NSN 4820-01-240-8335 has 7 cross-referenced part numbers: 2385H227 (Leslie Controls, Inc. Dba Leslie Controls Inc), C3459 (Leslie Controls, Inc. Dba Leslie Controls Inc), 1384 2IN 90T140 (Leslie Controls, Inc. Dba Leslie Controls Inc), 1384 2IN 90T140PSI PL4136 (Leslie Controls, Inc. Dba Leslie Controls Inc), C3659-PL4136-90T140PSI (Leslie Controls, Inc. Dba Leslie Controls Inc) and 2 more.

What NSN replaces 4820-01-240-8335?

There are 9 known substitutes for 4820-01-240-8335: 4820-01-197-3710, 4820-01-198-2745, 4820-01-222-0216 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2385H227?

Key specifications for 2385H227: Valve Size: 2.000 INCHES IN; Maximum Operating Temp: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF; First Connection Face to Centerline Distance: 4.125 INCHES IN; Media for Which Designed: WATER, SALT SINGLE RESPONSE. 26 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-240-8335 still in active supply?

NSN 4820-01-240-8335 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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