MIL-SPEC · Electronic Components
M58U
Microphone, Carbon
Part NumberM58U
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5965-00-665-0999 (NSN)
Federal Item NameMICROPHONE,CARBON
Federal Supply Class5965 — Headsets, Microphones, and Speakers
Operating Dc60.0 MILLIAMPERES NOMINAL
Extended Cable Length4.0 FEET NOMINAL
Electrical Connection TypeINTEGRAL CABLE
Output Sensitivity Rating In Decib47.0
Dc Resistance Rating In Ohms50.0 NOMINAL AND 150.0 MINIMUM
Switch TypePUSH
Frequency Response Range In Hertz+300.0 TO 4000.0
Output Sensitivity Rating Referenc1 MILLIWATT PER 0.0002 MICROBARS
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 M58U available?
We can source M58U 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 M58U by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M58U 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 M58U?
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 M58U?
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.