Poly-Planar Inc. · Electronic Components
MA4054B
Loudspeaker, Electromagnetic
Part NumberMA4054B
ManufacturerPoly-Planar Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5965-01-727-5588 (NSN)
Federal Item NameLOUDSPEAKER,ELECTROMAGNETIC
Federal Supply Class5965 — Headsets, Microphones, and Speakers
Transducer TypeCONE
ESD/EMICode A — ESD/EMI sensitive item
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 MA4054B available?
We can source MA4054B 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 MA4054B by Poly-Planar Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MA4054B 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 MA4054B?
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 MA4054B?
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.