PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

YB2385E222Valve,safety Relief

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-236-5972 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-236-5972 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-236-5972. Primary manufacturer part number: YB2385E222.
Features
  • Valve,safety Relief — FSC 4820
  • Material: COPPER ALLOY BODY
  • Bonnet Type: INSIDE SPRING
  • Connection Style: SOCKET WITH BRAZING RING (TUBE) ALL ENDS
  • Maximum Operating Temp: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Material Document and Classification: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
  • Furnished Items and Quantity: 1 LEVER AND 2 NUT AND 2 TAILPIECE
  • Material: NICKEL ALLOY STEM
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-236-5972, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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
NSN4820-01-236-5972
Primary Part NumberYB2385E222
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusCANCELLED
MaterialCOPPER ALLOY BODY
Bonnet TypeINSIDE SPRING
Connection StyleSOCKET WITH BRAZING RING (TUBE) ALL ENDS
Maximum Operating Temp180.0 FAHRENHEIT SINGLE RESPONSE DEGF
Material Document and ClassificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY
Furnished Items and Quantity1 LEVER AND 2 NUT AND 2 TAILPIECE
MaterialNICKEL ALLOY STEM
Disk Loading MethodSPRING
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Renewable Seat Ring TypeBOLTED
Material Document and ClassificationQQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE STEM
Bonnet Attachment MethodUNION
Connection TypeUNTHREADED INTERNAL TUBE ALL ENDS
Valve Operation MethodAUTOMATIC
Style DesignatorANGLE
MaterialRUBBER SYNTHETIC SEAT
Flow Control DeviceDISK
Adjustable Pressure Range+12.0 TO 25.0 POUNDS PER SQUARE INCH LBS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6240-00-054-9329 INTERCHANGEABLE
Lamp,incandescent
5305-00-354-84591384 INTERCHANGEABLE
Setscrew
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
3020-00-496-2111 INTERCHANGEABLE
Gear,internal
4720-00-575-92261384 INTERCHANGEABLE
Hose Assembly,diesel
Stewart & Stevenson Power Products Llc
5950-00-646-0919SCB33977 INTERCHANGEABLE
Coil,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5940-00-688-73141384 INTERCHANGEABLE
Terminal Board
Birnbach Co Inc
5910-00-726-2299SMC500229 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5133-01-051-8701 INTERCHANGEABLE
Drill,twist
5930-01-056-729010668097 INTERCHANGEABLE
Switch,pressure
Us Army Aviation and Missile Command
5330-01-108-506912300059 INTERCHANGEABLE
Seal
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
1385 B/M 2385E222 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
1384 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
C3459XP/L4143-12T25PSI Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
C3459 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
1384 X P/L4143- Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
YB2385E222 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
6240-00-054-9329INTERCHANGEABLE
LAMP,INCANDESCENT
5305-00-354-8459INTERCHANGEABLE
SETSCREW
1384
3020-00-496-2111INTERCHANGEABLE
GEAR,INTERNAL
4720-00-575-9226INTERCHANGEABLE
HOSE ASSEMBLY,DIESEL
1384
5950-00-646-0919INTERCHANGEABLE
COIL,RADIO FREQUENCY
SCB33977
5940-00-688-7314INTERCHANGEABLE
TERMINAL BOARD
1384
5910-00-726-2299INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
SMC500229
5133-01-051-8701INTERCHANGEABLE
DRILL,TWIST
5930-01-056-7290INTERCHANGEABLE
SWITCH,PRESSURE
10668097
5330-01-108-5069INTERCHANGEABLE
SEAL
12300059
4820-01-146-0058INTERCHANGEABLE
VALVE,SAFETY RELIEF
YB2385G225
4820-01-150-0858INTERCHANGEABLE
VALVE,SAFETY RELIEF
YB2385X225

Frequently Asked Questions

What is NSN 4820-01-236-5972?

NSN 4820-01-236-5972 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 4820-01-236-5972?

NSN 4820-01-236-5972 has 6 cross-referenced part numbers: 1385 B/M 2385E222 (Leslie Controls, Inc. Dba Leslie Controls Inc), 1384 (Leslie Controls, Inc. Dba Leslie Controls Inc), C3459XP/L4143-12T25PSI (Leslie Controls, Inc. Dba Leslie Controls Inc), C3459 (Leslie Controls, Inc. Dba Leslie Controls Inc), 1384 X P/L4143- (Leslie Controls, Inc. Dba Leslie Controls Inc) and 1 more.

What NSN replaces 4820-01-236-5972?

There are 12 known substitutes for 4820-01-236-5972: 6240-00-054-9329, 5305-00-354-8459, 3020-00-496-2111 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of YB2385E222?

Key specifications for YB2385E222: Material: COPPER ALLOY BODY; Bonnet Type: INSIDE SPRING; Connection Style: SOCKET WITH BRAZING RING (TUBE) ALL ENDS; Maximum Operating Temp: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-236-5972 still in active supply?

NSN 4820-01-236-5972 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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