Telephonics Corp. · Electronic Components
178D112-4
Case, Loudspeaker
Part Number178D112-4
ManufacturerTelephonics Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5965-01-275-5472 (NSN)
Federal Item NameCASE,LOUDSPEAKER
Federal Supply Class5965 — Headsets, Microphones, and Speakers
Surface TreatmentPAINT
Overall Width4.250 INCHES NOMINAL
Overall Height2.625 INCHES NOMINAL
Overall Length5.156 INCHES NOMINAL
MaterialALUMINUM ALLOY 5052
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 178D112-4 available?
We can source 178D112-4 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 178D112-4 by Telephonics Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 178D112-4 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 178D112-4?
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 178D112-4?
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.