PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

YB2385C224Valve,safety Relief

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-282-8463 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-282-8463 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-282-8463. Primary manufacturer part number: YB2385C224.
Features
  • Valve,safety Relief — FSC 4820
  • Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Connection Style: SOCKET WITH BRAZING RING (TUBE) ALL ENDS
  • Style Designator: ANGLE
  • Bonnet Attachment Method: THREADED
  • Material: RUBBER FLOW CONTROL DEVICE
  • Media for Which Designed: AIR FIRST RESPONSE
  • Furnished Items and Quantity: 2 NUT AND 2 TAILPIECE AND 1 LEVER
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Flow Control Device construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-282-8463, 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 16 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-282-8463
Primary Part NumberYB2385C224
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusCANCELLED
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Connection StyleSOCKET WITH BRAZING RING (TUBE) ALL ENDS
Style DesignatorANGLE
Bonnet Attachment MethodTHREADED
MaterialRUBBER FLOW CONTROL DEVICE
Media for Which DesignedAIR FIRST RESPONSE
Furnished Items and Quantity2 NUT AND 2 TAILPIECE AND 1 LEVER
Maximum Operating Temp180.0 FAHRENHEIT SINGLE RESPONSE DEGF
MaterialNICKEL ALLOY STEM
MaterialNICKEL ALLOY SEAT
Flow Control DeviceDISK
Nominal Outside Diameter Tube Accommodated0.500 INCHES ALL ENDS IN
Bonnet TypeINSIDE SCREW
Valve Operation MethodMANUAL
Connection TypeUNTHREADED INTERNAL TUBE ALL ENDS
Media for Which DesignedWATER, FRESH SECOND RESPONSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6760-00-329-8498 INTERCHANGEABLE
Case,carrying
4820-01-141-14271385 1/2 PL2385K44C 20T35PSI INTERCHANGEABLE
Valve,safety Relief
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-146-0058YB2385G225 INTERCHANGEABLE
Valve,safety Relief
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-197-3710YB2385G224 INTERCHANGEABLE
Valve,safety Relief
Leslie Controls, Inc. Dba Leslie Controls Inc
5331-01-215-0116N6389994 INTERCHANGEABLE
O-Ring
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-262-7515C3650 1385 3/8 180T300PSI INTERCHANGEABLE
Valve,safety Relief
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-262-8427YB238F223 INTERCHANGEABLE
Valve,safety Relief
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-268-83861385PL4149-4126-65T100PSI INTERCHANGEABLE
Valve,safety Relief
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-270-64141385 P/L 2385C226 AND C3650 INTERCHANGEABLE
Valve,safety Relief
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-308-5204YB2385H225 INTERCHANGEABLE
Valve,safety Relief
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
2385C224 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
1/2 SBUE MODEL 1385 30T50PSI Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
E3650 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
YB2385C224 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
C3650 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
E3650 ASSY 1385.50 30T50PSI Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
1385 1/2IN PL-4149 30T50PSI Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
6760-00-329-8498INTERCHANGEABLE
CASE,CARRYING
4820-01-141-1427INTERCHANGEABLE
VALVE,SAFETY RELIEF
1385 1/2 PL2385K44C 20T35PSI
4820-01-146-0058INTERCHANGEABLE
VALVE,SAFETY RELIEF
YB2385G225
4820-01-197-3710INTERCHANGEABLE
VALVE,SAFETY RELIEF
YB2385G224
5331-01-215-0116INTERCHANGEABLE
O-RING
N6389994
4820-01-262-7515INTERCHANGEABLE
VALVE,SAFETY RELIEF
C3650 1385 3/8 180T300PSI
4820-01-262-8427INTERCHANGEABLE
VALVE,SAFETY RELIEF
YB238F223
4820-01-268-8386INTERCHANGEABLE
VALVE,SAFETY RELIEF
1385PL4149-4126-65T100PSI
4820-01-270-6414INTERCHANGEABLE
VALVE,SAFETY RELIEF
1385 P/L 2385C226 AND C3650
4820-01-308-5204INTERCHANGEABLE
VALVE,SAFETY RELIEF
YB2385H225
4820-01-312-7290INTERCHANGEABLE
VALVE,SAFETY RELIEF
1385 P/L2385D222
4820-01-317-2744INTERCHANGEABLE
VALVE,SAFETY RELIEF
20277735

Frequently Asked Questions

What is NSN 4820-01-282-8463?

NSN 4820-01-282-8463 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 4820-01-282-8463?

NSN 4820-01-282-8463 has 7 cross-referenced part numbers: 2385C224 (Leslie Controls, Inc. Dba Leslie Controls Inc), 1/2 SBUE MODEL 1385 30T50PSI (Leslie Controls, Inc. Dba Leslie Controls Inc), E3650 (Leslie Controls, Inc. Dba Leslie Controls Inc), YB2385C224 (Leslie Controls, Inc. Dba Leslie Controls Inc), C3650 (Leslie Controls, Inc. Dba Leslie Controls Inc) and 2 more.

What NSN replaces 4820-01-282-8463?

There are 12 known substitutes for 4820-01-282-8463: 6760-00-329-8498, 4820-01-141-1427, 4820-01-146-0058 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of YB2385C224?

Key specifications for YB2385C224: Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Connection Style: SOCKET WITH BRAZING RING (TUBE) ALL ENDS; Style Designator: ANGLE; Bonnet Attachment Method: THREADED. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-282-8463 still in active supply?

NSN 4820-01-282-8463 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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