PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3524Diaphragm,valve,flat

Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris · NSN 4820-00-036-0647 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-0647 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-0647. Primary manufacturer part number: 3524.
Features
  • Diaphragm,valve,flat — FSC 4820
  • Material: RUBBER CHLOROPRENE CLASS CR
  • Outside Diameter: 2.328 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Chloroprene Class Cr construction
General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-036-0647, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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.

Technical Specifications
ParameterValue
NSN4820-00-036-0647
Primary Part Number3524
Item NameDiaphragm,valve,flat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCurtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
StatusACTIVE
MaterialRUBBER CHLOROPRENE CLASS CR
Outside Diameter2.328 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-188-185503262 INTERCHANGEABLE
Nipple,pipe
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
7920-00-292-23603524 INTERCHANGEABLE
Broom,push
Magnolia Brush Mfg Co
5330-00-297-6117 INTERCHANGEABLE
Gasket
5360-00-370-1687125239 INTERCHANGEABLE
Spring
Telemechanics Inc
3010-00-460-1372 INTERCHANGEABLE
Coupling,shaft,rigid
6640-01-069-1718 INTERCHANGEABLE
Dish,culture,petri
5996-01-156-66613524 INTERCHANGEABLE
Amplifier,radio Frequency
Lockheed Martin Corporation Div Rms
5915-01-269-5905DCB-3524-I0-NNN-02 INTERCHANGEABLE
Filter,radio Frequency Interfere
Cinch Connectivity Solutions Inc
6640-01-276-78673524 INTERCHANGEABLE
Culture Tray,multi-Cup
Corning Incorporated Dba Corning Div Corning Life Sciences
5920-01-297-98403524 INTERCHANGEABLE
Fuseholder,block
Keystone Electronics Corp
Cross-Reference Index
Part NumberManufacturer
3524 PRIMARY Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (USA)
Related Parts
4730-00-188-1855INTERCHANGEABLE
NIPPLE,PIPE
03262
7920-00-292-2360INTERCHANGEABLE
BROOM,PUSH
3524
5330-00-297-6117INTERCHANGEABLE
GASKET
5360-00-370-1687INTERCHANGEABLE
SPRING
125239
3010-00-460-1372INTERCHANGEABLE
COUPLING,SHAFT,RIGID
6640-01-069-1718INTERCHANGEABLE
DISH,CULTURE,PETRI
5996-01-156-6661INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
3524
5915-01-269-5905INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
DCB-3524-I0-NNN-02
6640-01-276-7867INTERCHANGEABLE
CULTURE TRAY,MULTI-CUP
3524
5920-01-297-9840INTERCHANGEABLE
FUSEHOLDER,BLOCK
3524
5365-01-354-9635INTERCHANGEABLE
SPACER,SLEEVE
3524
5930-01-367-2184INTERCHANGEABLE
COVER,ELECTRICAL SWITCH
3524

Frequently Asked Questions

What is NSN 4820-00-036-0647?

NSN 4820-00-036-0647 is a Diaphragm,valve,flat, manufactured by Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-036-0647?

NSN 4820-00-036-0647 has 1 cross-referenced part number: 3524 (Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris).

What NSN replaces 4820-00-036-0647?

There are 12 known substitutes for 4820-00-036-0647: 4730-00-188-1855, 7920-00-292-2360, 5330-00-297-6117 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3524?

Key specifications for 3524: Material: RUBBER CHLOROPRENE CLASS CR; Outside Diameter: 2.328 INCHES NOMINAL IN. 2 total characteristics are documented in the Federal Logistics Information System.

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