Yankee Telecommunication Laboratories · Electronic Components
42971
Earphone — Headsets, Microphones, and Speakers
Part Number42971
ManufacturerYankee Telecommunication Laboratories
AvailabilityAvailable to order — request a quote
Specifications
NSN5965-00-945-8443 (NSN)
Federal Item NameEARPHONE
Federal Supply Class5965 — Headsets, Microphones, and Speakers
Input Terminal TypeCLIP SIGNAL
Earphone Element TypeDYNAMIC
Earphone Overall Depth1.000 INCHES NOMINAL
Shell MaterialPLASTIC EARPHONE
Terminal LocationINTERNAL
Terminal TypeWIRE LEAD
Acoustic Sensitivity Reference RatNOT RATED
Mounting MethodSCREW PLATE ON CASE BACK EARPHONE
Overall Diameter2.422 INCHES NOMINAL
Impedance Rating In Ohms15.0 NOMINAL
Terminal Quantity2
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
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is 42971 available?
We can source 42971 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 42971 by Yankee Telecommunication Laboratories obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 42971 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 42971?
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 42971?
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.