● 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
Entron Industries Limited Partnership  · Electronic Components

390B

Probe, Test — Test Instruments

Part Number390B
ManufacturerEntron Industries Limited Partnership
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NamePROBE,TEST
Federal Supply Class6625 — Test Instruments
Surface FinishFLUTED
FSC Application DataTEST SET,ELECT. EQUIP.
Tip Termination TypePROBE
MaterialPLASTIC HANDLE
Conductor Attachment MethodWIRE ATTACHED W/SOLDERLESS CONNECTOR
Overall Length5.250 INCHES NOMINAL
Overall Diameter0.375 INCHES NOMINAL
Handle Length5.000 INCHES NOMINAL
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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 390B available?
We can source 390B 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 390B by Entron Industries Limited Partnership obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 390B 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 390B?
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 390B?
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.