PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1/2IN 2433-903-R2Valve,diaphragm,stop

Valve Automation and Control of San Diego Dba Valve Automation & Control of San Diego Div Valve Automation and Controls of · NSN 4820-01-426-7762 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-426-7762 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-426-7762. Primary manufacturer part number: 1/2IN 2433-903-R2.
Features
  • Valve,diaphragm,stop — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Valve Automation and Control of San Diego Dba Valve Automation & Control of San Diego Div Valve Automation and Controls of
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,diaphragm,stop, cataloged under National Stock Number 4820-01-426-7762, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Valve Automation and Control of San Diego Dba Valve Automation & Control of San Diego Div Valve Automation and Controls of. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,diaphragm,stop
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersValve Automation and Control of San Diego Dba Valve Automation & Control of San Diego Div Valve Automation and Controls of (CAGE 0YRW0); Itt Fluid Technology Corp Itt Engineered Valves Div (CAGE 19243)
Technical Specifications
ParameterValue
NSN4820-01-426-7762
Primary Part Number1/2IN 2433-903-R2
Item NameValve,diaphragm,stop
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerValve Automation and Control of San Diego Dba Valve Automation & Control of San Diego Div Valve Automation and Controls of
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6930-01-050-1891114722 INTERCHANGEABLE
Control,special
Tdk-Lambda Americas Inc. Div High Power Division
4730-01-425-6740 INTERCHANGEABLE
Nut,tube Coupling
4820-01-428-3118 INTERCHANGEABLE
Cap,valve
Cross-Reference Index
Part NumberManufacturer
1/2IN 2433-903-R2 PRIMARY Valve Automation and Control of San Diego Dba Valve Automation & Control of San Diego Div Valve Automation and Controls of (USA)
114722 Itt Fluid Technology Corp Itt Engineered Valves Div (USA)
1/2IN 2433-903-R2 Itt Fluid Technology Corp Itt Engineered Valves Div (USA)
Related Parts
6930-01-050-1891INTERCHANGEABLE
CONTROL,SPECIAL
114722
4730-01-425-6740INTERCHANGEABLE
NUT,TUBE COUPLING
4820-01-428-3118INTERCHANGEABLE
CAP,VALVE

Frequently Asked Questions

What is NSN 4820-01-426-7762?

NSN 4820-01-426-7762 is a Valve,diaphragm,stop, manufactured by Valve Automation and Control of San Diego Dba Valve Automation & Control of San Diego Div Valve Automation and Controls of, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-426-7762?

NSN 4820-01-426-7762 has 3 cross-referenced part numbers: 1/2IN 2433-903-R2 (Valve Automation and Control of San Diego Dba Valve Automation & Control of San Diego Div Valve Automation and Controls of), 114722 (Itt Fluid Technology Corp Itt Engineered Valves Div), 1/2IN 2433-903-R2 (Itt Fluid Technology Corp Itt Engineered Valves Div).

What NSN replaces 4820-01-426-7762?

There are 3 known substitutes for 4820-01-426-7762: 6930-01-050-1891, 4730-01-425-6740, 4820-01-428-3118. Verify interchangeability with system specifications before substitution.

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