PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C3459 2 INValve,safety Relief

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-296-4820 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-296-4820 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-296-4820. Primary manufacturer part number: C3459 2 IN.
Features
  • Valve,safety Relief — FSC 4820
  • 4 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 4820-01-296-4820, 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 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,safety Relief
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersLeslie Controls, Inc. Dba Leslie Controls Inc (CAGE 35795); Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M (CAGE 81349)
Technical Specifications
ParameterValue
NSN4820-01-296-4820
Primary Part NumberC3459 2 IN
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
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
4820-01-240-83352385H227 INTERCHANGEABLE
Valve,safety Relief
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
C3459 2 IN PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
1384 2IN 90T140PSI Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
MILV24332GRB2IN Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
C3459 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
4820-01-240-8335INTERCHANGEABLE
VALVE,SAFETY RELIEF
2385H227

Frequently Asked Questions

What is NSN 4820-01-296-4820?

NSN 4820-01-296-4820 is a Valve,safety Relief, 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 4820-01-296-4820?

NSN 4820-01-296-4820 has 4 cross-referenced part numbers: C3459 2 IN (Leslie Controls, Inc. Dba Leslie Controls Inc), 1384 2IN 90T140PSI (Leslie Controls, Inc. Dba Leslie Controls Inc), MILV24332GRB2IN (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), C3459 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-296-4820?

There are 9 known substitutes for 4820-01-296-4820: 4820-01-197-3710, 4820-01-198-2745, 4820-01-222-0216 and 6 more. Verify interchangeability with system specifications before substitution.

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