FMC Greenfield Straight Connectors  3/8″ to 4″ Made in the USA (FLX Series)

Put the USA Mark on Your Projects and Remove the Offshore Squeeze

Install Your Flex Connectors Without a Tool & Save Money
Outperforms and Outclasses ALL Squeeze FittingsFlex Conduit Fitting Install without Tools

Installs in Seconds!  Save from 2 to 12 Minutes per Connection, Installs with a Few Turns

Compare SPECflex to Squeeze Connectors


Squeeze Fitting for Flex and SPECflex Connectors by American Fittings Comparison

Watch this Video of SPECflex in Action

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Time is Money & SPECflex Fittings Save You Both

Installation of Squeeze Fittings Save Money

Cat Numbers & Dimensions


SPEC flex Dimension Chart

Available in 90° and Flex ADAPTERS EMT  & Rigid Conduit (both set screw & compression)


Trade Sizes: 3/8″ to 4″
Material Construction:  Alloy Steel, Zinc Plated with Chromate Finish
Aluminum Construction Available Consult Factory
Factory Insulated Throat Bushing 105°C Rated
Furnished with a Factory Installed Industrial Grade Locknut

Available:  90º, 45º,  Connectors & Adapters to EMT & Rigid

SPECflex Connectors are ONLY offered WITH an insulated bushing.  This eliminates the purchase and installation of anti-short bushings or redheads to meet code. 



Certified Made in the USA

UL 514B
NEMA Standard FB1
Contaminants & Ingress of Other Fluids
Furnished with Insulated Throat Bushing 105°C Rated*
CSA Standard: C22.2 No. 18F
RoHS Compliant
REACH Compliant
CA Prop 65 Compliant
UNSPSC 39121419

American Fittings UL Logo

NOTE: Consult with the factory if you are NOT using FMC or Greenfield conduit made in the USA and UL Listed. This fitting is designed and manufactured to work with UL listed FMC made in the USA, not foreign FMC.