PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E3650Valve,relief,pressure and Temper

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-354-4737 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-354-4737 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-354-4737. Primary manufacturer part number: E3650.
Features
  • Valve,relief,pressure and Temper — FSC 4820
  • 8 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,relief,pressure and Temper, cataloged under National Stock Number 4820-01-354-4737, 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 8 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: Active.

Catalog Facts
Item NameValve,relief,pressure and Temper
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersLeslie Controls, Inc. Dba Leslie Controls Inc (CAGE 35795)
Technical Specifications
ParameterValue
NSN4820-01-354-4737
Primary Part NumberE3650
Item NameValve,relief,pressure and Temper
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
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
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
4820-01-282-8463YB2385C224 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
Cross-Reference Index
Part NumberManufacturer
1385 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
E3650 ASSY YB2385H221 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
E3650 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
YB2385C287 CD-3 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
2385H221 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
YB2385H221 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
C3650 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
E3650 ASSY 1385 2.00IN 9T15PSI Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
6760-00-329-8498INTERCHANGEABLE
CASE,CARRYING
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
4820-01-282-8463INTERCHANGEABLE
VALVE,SAFETY RELIEF
YB2385C224
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 4820-01-354-4737?

NSN 4820-01-354-4737 is a Valve,relief,pressure and Temper, 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 4820-01-354-4737?

NSN 4820-01-354-4737 has 8 cross-referenced part numbers: 1385 (Leslie Controls, Inc. Dba Leslie Controls Inc), E3650 ASSY YB2385H221 (Leslie Controls, Inc. Dba Leslie Controls Inc), E3650 (Leslie Controls, Inc. Dba Leslie Controls Inc), YB2385C287 CD-3 (Leslie Controls, Inc. Dba Leslie Controls Inc), 2385H221 (Leslie Controls, Inc. Dba Leslie Controls Inc) and 3 more.

What NSN replaces 4820-01-354-4737?

There are 12 known substitutes for 4820-01-354-4737: 6760-00-329-8498, 4820-01-146-0058, 4820-01-197-3710 and 9 more. Verify interchangeability with system specifications before substitution.

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