PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF2741-2Diaphragm,valve,flat

Spx Flow Us, Llc Dba Spx Valves & Controls · NSN 4820-00-036-2470 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-2470 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-2470. Primary manufacturer part number: FF2741-2.
Features
  • Diaphragm,valve,flat — FSC 4820
  • Material Thickness: 0.005 INCHES NOMINAL IN
  • Outside Diameter: 6.980 INCHES NOMINAL IN
  • Center Hole Diameter: 0.625 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING
  • Style Designator: FLAT
  • 2 verified cross-references
  • Primary manufacturer: Spx Flow Us, Llc Dba Spx Valves & Controls
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-036-2470, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Spx Flow Us, Llc Dba Spx Valves & Controls. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-036-2470
Primary Part NumberFF2741-2
Item NameDiaphragm,valve,flat
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSpx Flow Us, Llc Dba Spx Valves & Controls
StatusACTIVE
Material Thickness0.005 INCHES NOMINAL IN
Outside Diameter6.980 INCHES NOMINAL IN
Center Hole Diameter0.625 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING
Style DesignatorFLAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6645-00-163-05467376 INTERCHANGEABLE
Wheel Assembly
The Chelsea Clock Llc
5330-00-196-5385 INTERCHANGEABLE
Packing,preformed
3020-00-367-2879 INTERCHANGEABLE
Gear,worm Wheel
6240-00-499-6278CM7376 INTERCHANGEABLE
Lamp,incandescent
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
5120-00-545-4372T42 INTERCHANGEABLE
Tire Iron
Summit Tool Company
5950-00-688-6932 INTERCHANGEABLE
Transformer,audio Frequency
6240-01-032-6598 INTERCHANGEABLE
Lamp,incandescent
6510-01-036-90647376 INTERCHANGEABLE
Bandage,cast,impregnated
Bsn Medical Inc
8305-01-487-0018 INTERCHANGEABLE
Cloth,impregnated
4730-01-617-20387376 INTERCHANGEABLE
Adapter,straight,pipe to Boss
Independent Rough Terrain Center Llc
Cross-Reference Index
Part NumberManufacturer
FF2741-2 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
7376 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
Related Parts
6645-00-163-0546INTERCHANGEABLE
WHEEL ASSEMBLY
7376
5330-00-196-5385INTERCHANGEABLE
PACKING,PREFORMED
3020-00-367-2879INTERCHANGEABLE
GEAR,WORM WHEEL
6240-00-499-6278INTERCHANGEABLE
LAMP,INCANDESCENT
CM7376
5120-00-545-4372INTERCHANGEABLE
TIRE IRON
T42
5950-00-688-6932INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
6240-01-032-6598INTERCHANGEABLE
LAMP,INCANDESCENT
6510-01-036-9064INTERCHANGEABLE
BANDAGE,CAST,IMPREGNATED
7376
8305-01-487-0018INTERCHANGEABLE
CLOTH,IMPREGNATED
4730-01-617-2038INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO BOSS
7376

Frequently Asked Questions

What is NSN 4820-00-036-2470?

NSN 4820-00-036-2470 is a Diaphragm,valve,flat, manufactured by Spx Flow Us, Llc Dba Spx Valves & Controls, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-036-2470?

NSN 4820-00-036-2470 has 2 cross-referenced part numbers: FF2741-2 (Spx Flow Us, Llc Dba Spx Valves & Controls), 7376 (Spx Flow Us, Llc Dba Spx Valves & Controls).

What NSN replaces 4820-00-036-2470?

There are 10 known substitutes for 4820-00-036-2470: 6645-00-163-0546, 5330-00-196-5385, 3020-00-367-2879 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FF2741-2?

Key specifications for FF2741-2: Material Thickness: 0.005 INCHES NOMINAL IN; Outside Diameter: 6.980 INCHES NOMINAL IN; Center Hole Diameter: 0.625 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING. 5 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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