PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

YB2385C226Valve,safety Relief

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-478-3711 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-478-3711 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-478-3711. Primary manufacturer part number: YB2385C226.
Features
  • Valve,safety Relief — FSC 4820
  • 7 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-478-3711, 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. 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.

Catalog Facts
Item NameValve,safety Relief
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersLeslie Controls, Inc. Dba Leslie Controls Inc (CAGE 35795)
Technical Specifications
ParameterValue
NSN4820-01-478-3711
Primary Part NumberYB2385C226
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6760-00-329-8498 INTERCHANGEABLE
Case,carrying
4820-01-146-0058YB2385G225 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
4820-01-282-8463YB2385C224 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
4820-01-354-4737E3650 INTERCHANGEABLE
Valve,relief,pressure and Temper
Leslie Controls, Inc. Dba Leslie Controls Inc
4235-01-399-30317000051871 INTERCHANGEABLE
Sorbent,oil
3m Company
4820-01-425-7702YB2385E228 INTERCHANGEABLE
Valve,safety Relief
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-435-53741385 1IN 45TO70PSI INTERCHANGEABLE
Valve,safety Relief
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-451-0078YB2385A222 INTERCHANGEABLE
Valve,safety Relief
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
YB2385C226 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
1385 P/L2385C226 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
E3650 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
1384 1/2IN 65T100PSI Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
C3277 PART LIST 4149 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
2385C226 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
E3650 ASSY 1/2 IN 65 TO 100 PSI Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
6760-00-329-8498INTERCHANGEABLE
CASE,CARRYING
4820-01-146-0058INTERCHANGEABLE
VALVE,SAFETY RELIEF
YB2385G225
5331-01-215-0116INTERCHANGEABLE
O-RING
N6389994
4820-01-282-8463INTERCHANGEABLE
VALVE,SAFETY RELIEF
YB2385C224
4820-01-308-5204INTERCHANGEABLE
VALVE,SAFETY RELIEF
YB2385H225
4820-01-354-4737INTERCHANGEABLE
VALVE,RELIEF,PRESSURE AND TEMPER
E3650
4235-01-399-3031INTERCHANGEABLE
SORBENT,OIL
7000051871
4820-01-425-7702INTERCHANGEABLE
VALVE,SAFETY RELIEF
YB2385E228
4820-01-435-5374INTERCHANGEABLE
VALVE,SAFETY RELIEF
1385 1IN 45TO70PSI
4820-01-451-0078INTERCHANGEABLE
VALVE,SAFETY RELIEF
YB2385A222
4820-01-467-8216INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-01-478-3868INTERCHANGEABLE
VALVE,SAFETY RELIEF
YB2385E227

Frequently Asked Questions

What is NSN 4820-01-478-3711?

NSN 4820-01-478-3711 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 4820-01-478-3711?

NSN 4820-01-478-3711 has 7 cross-referenced part numbers: YB2385C226 (Leslie Controls, Inc. Dba Leslie Controls Inc), 1385 P/L2385C226 (Leslie Controls, Inc. Dba Leslie Controls Inc), E3650 (Leslie Controls, Inc. Dba Leslie Controls Inc), 1384 1/2IN 65T100PSI (Leslie Controls, Inc. Dba Leslie Controls Inc), C3277 PART LIST 4149 (Leslie Controls, Inc. Dba Leslie Controls Inc) and 2 more.

What NSN replaces 4820-01-478-3711?

There are 12 known substitutes for 4820-01-478-3711: 6760-00-329-8498, 4820-01-146-0058, 5331-01-215-0116 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-478-3711 still in active supply?

NSN 4820-01-478-3711 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.
PartsTable Design LLC · partstable.com