Naval Ship Systems Command · Electronic Components
M37U
Microphone, Dynamic
Part NumberM37U
ManufacturerNaval Ship Systems Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5965-00-377-0301 (NSN)
Federal Item NameMICROPHONE,DYNAMIC
Federal Supply Class5965 — Headsets, Microphones, and Speakers
Connector Identification91MC4M
Height9.625 INCHES NOMINAL
Mounting MethodTHREADED BUSHING
Impedance Rating50.0 OHMS NOMINAL
Polarity ConnectionNOT REQUIRED
Length3.250 INCHES NOMINAL
Connector Manufacturer Code74868
Impedance Selection MethodINTEGRAL SWITCH
Electrical Connection TypeINTEGRAL CABLE
Output Sensitivity Rating In Decib-57.0
Sound Pickup Directional TypeSEMIDIRECTIONAL
Cancelled NSN5965-00-194-9779 (cancelled)
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 M37U available?
We can source M37U 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 M37U by Naval Ship Systems Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M37U 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 M37U?
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 M37U?
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.