PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A3274194Diaphragm,valve,flat

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-00-980-4030 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-980-4030 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-980-4030. Primary manufacturer part number: A3274194.
Features
  • Diaphragm,valve,flat — FSC 4820
  • Outside Diameter: 3.340 INCHES NOMINAL IN
  • Style Designator: FLAT
  • Material: RUBBER SYNTHETIC
  • Material Thickness: 0.051 INCHES NOMINAL IN
  • Center Hole Diameter: 0.725 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Synthetic construction
General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-980-4030, 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. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-980-4030
Primary Part NumberA3274194
Item NameDiaphragm,valve,flat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Outside Diameter3.340 INCHES NOMINAL IN
Style DesignatorFLAT
MaterialRUBBER SYNTHETIC
Material Thickness0.051 INCHES NOMINAL IN
Center Hole Diameter0.725 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3455-00-442-3460 INTERCHANGEABLE
File,rotary
5950-00-682-381832741 INTERCHANGEABLE
Transformer,audio Frequency
Freed Transformer Co
4730-01-192-247032741 INTERCHANGEABLE
Clamp,hose
Fb Wright Co
Cross-Reference Index
Part NumberManufacturer
N3274194 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
32741 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
A3274194 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
3455-00-442-3460INTERCHANGEABLE
FILE,ROTARY
5950-00-682-3818INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
32741
4730-01-192-2470INTERCHANGEABLE
CLAMP,HOSE
32741

Frequently Asked Questions

What is NSN 4820-00-980-4030?

NSN 4820-00-980-4030 is a Diaphragm,valve,flat, 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 4820-00-980-4030?

NSN 4820-00-980-4030 has 3 cross-referenced part numbers: N3274194 (Leslie Controls, Inc. Dba Leslie Controls Inc), 32741 (Leslie Controls, Inc. Dba Leslie Controls Inc), A3274194 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-00-980-4030?

There are 3 known substitutes for 4820-00-980-4030: 3455-00-442-3460, 5950-00-682-3818, 4730-01-192-2470. Verify interchangeability with system specifications before substitution.

What are the specifications of A3274194?

Key specifications for A3274194: Outside Diameter: 3.340 INCHES NOMINAL IN; Special Features: FABRIC REINFORCED; Style Designator: FLAT; Material: RUBBER SYNTHETIC. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com