● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Amphenol Corporation  · Electronic Components

31-217

Adapter, Connector

Part Number31-217
ManufacturerAmphenol Corporation
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameADAPTER,CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Shell TypeSOLID
Contact RemovabilityREMOVABLE ALL MATING ENDS ALL CONTACT GROUPINGS
Included Contact Quantity1 ALL MATING ENDS ALL CONTACT GROUPINGS
Connector Locking MethodEXTERNALLY THREADED SHELL AND BAYONET LATCH
Nominal Thread Size0.625 INCHES
Insert MaterialPLASTIC ALL MATING ENDS
Thread Series DesignatorUNEF
Shell MaterialCOPPER
Shell Surface TreatmentANODIZE
Threaded Device TypeBACK SHELL
Environmental ProtectionMOISTURE RESISTANT
ProducttraceabilityNo
RohscompliantTBA
IscanonicalY
Hazardousfalse
RohsphthalatescompliantTBA
UseccnEAR99
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RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant

Frequently asked

Is 31-217 available?
We can source 31-217 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is 31-217 by Amphenol Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 31-217 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like 31-217?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for 31-217?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.