PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

VFA-EC-43Meter,flow Rate Indicating

Dwyer Instruments Inc · NSN 6680-00-159-2389 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-00-159-2389 — this item is cataloged by the U.S. Government under National Stock Number 6680-00-159-2389. Primary manufacturer part number: VFA-EC-43.
Features
  • Meter,flow Rate Indicating — FSC 6680
  • Unable to Decode: UNABLE TO DECODE
  • Scale Quantity: 1
  • Design Type: CASE
  • Integral Pulsation Dampener: NOT INCLUDED
  • Construction: INCLOSED W/SIGHT WINDOW
  • Integral Relief Valve: NOT INCLUDED
  • Unit Type: MOUNTED
Applications
  • Applications requiring Steel Float construction
General Description

The Meter,flow Rate Indicating, cataloged under National Stock Number 6680-00-159-2389, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Dwyer Instruments Inc. Government technical data includes 30 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-00-159-2389
Primary Part NumberVFA-EC-43
Item NameMeter,flow Rate Indicating
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerDwyer Instruments Inc
StatusACTIVE
Unable to DecodeUNABLE TO DECODE
Scale Quantity1
Design TypeCASE
Integral Pulsation DampenerNOT INCLUDED
ConstructionINCLOSED W/SIGHT WINDOW
Integral Relief ValveNOT INCLUDED
Unit TypeMOUNTED
Integral Heat SourceNOT INCLUDED
Inlet Connection Position for Which DesignedHORIZONTAL
Maximum Working Pressure100.0 POUNDS PER SQUARE INCH (PSI) LBS
Outlet Connection Size0.125 IN. NPT IN
Inlet Connection Size0.125 IN. NPT IN
Outlet Connection Device TypeSTATIONARY
Carrying HandleNOT INCLUDED
Alarm SignalNOT INCLUDED
Inlet Connection Device TypeSTATIONARY
Spinning FloatNOT INCLUDED
BaseNOT INCLUDED
Integral Pulsation DampenerNOT INCLUDED
Dial Scale Smallest Increment1GPH
Metering Tube Quantity1
Float TypeGUIDED
Dial Scale Reference PointerNOT INCLUDED
Dial Scale Marking Range+3.0 TO 20.0
Integral Heat SourceNOT INCLUDED
Mounting MethodSURFACE PANEL
Outlet Connection Position for Which DesignedHORIZONTAL
MaterialSTEEL FLOAT
MaterialPLASTIC TUBE
Mounting MethodSURFACE PANEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5930-00-702-5536 INTERCHANGEABLE
Switch,toggle
4730-01-039-3171 INTERCHANGEABLE
Strainer Element,sediment
5330-01-313-596452-043 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Ge Aviation Systems, Llc
5998-01-392-6228 INTERCHANGEABLE
Electronic Components Assembly
5985-01-464-425552043 INTERCHANGEABLE
Coupler,directional
Waveline Inc
5930-01-466-009952043 INTERCHANGEABLE
Switch Assembly
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Cross-Reference Index
Part NumberManufacturer
520-43 Dwyer Instruments Inc (USA)
VFA-EC-43 PRIMARY Dwyer Instruments Inc (USA)
Related Parts
5930-00-702-5536INTERCHANGEABLE
SWITCH,TOGGLE
4730-01-039-3171INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
5330-01-313-5964INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
52-043
5998-01-392-6228INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
5985-01-464-4255INTERCHANGEABLE
COUPLER,DIRECTIONAL
52043
5930-01-466-0099INTERCHANGEABLE
SWITCH ASSEMBLY
52043

Frequently Asked Questions

What is NSN 6680-00-159-2389?

NSN 6680-00-159-2389 is a Meter,flow Rate Indicating, manufactured by Dwyer Instruments Inc, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-00-159-2389?

NSN 6680-00-159-2389 has 2 cross-referenced part numbers: 520-43 (Dwyer Instruments Inc), VFA-EC-43 (Dwyer Instruments Inc).

What NSN replaces 6680-00-159-2389?

There are 6 known substitutes for 6680-00-159-2389: 5930-00-702-5536, 4730-01-039-3171, 5330-01-313-5964 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of VFA-EC-43?

Key specifications for VFA-EC-43: Unable to Decode: UNABLE TO DECODE; Scale Quantity: 1; Design Type: CASE; Integral Pulsation Dampener: NOT INCLUDED. 30 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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