Hose-Mccann Telephone · Electronic Components
A278
Microphone, Dynamic
Part NumberA278
ManufacturerHose-Mccann Telephone
AvailabilityAvailable to order — request a quote
Specifications
NSN5965-00-321-8456 (NSN)
Federal Item NameMICROPHONE,DYNAMIC
Federal Supply Class5965 — Headsets, Microphones, and Speakers
Width2.375 INCHES NOMINAL
Body StyleHAND HELD
Extended Cable Length3.5 FEET NOMINAL
FSC Application DataHEADSETS,HANDSETS,MICROPHONE AND SPEAKERS
Sound Pickup Directional TypeUNIDIRECTIONAL
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 A278 available?
We can source A278 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 A278 by Hose-Mccann Telephone obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A278 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 A278?
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 A278?
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.