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Catalog / Department Of The Army Hq United States Army Communications Research And Development Command / B4028397
Department Of The Army Hq United States Army Communications Research And Development Command · Electronic Components
B4028397
Microphone Element
Part NumberB4028397
ManufacturerDepartment Of The Army Hq United States Army Communications Research And Development Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5965-01-221-8182 (NSN)
Federal Item NameMICROPHONE ELEMENT
Federal Supply Class5965 — Headsets, Microphones, and Speakers
Impedance Selection MethodPIN-JACK TYPE LEAD POSITIONING
Element TypeMAGNETIC
Output Sensitivity Rating Referenc1 VOLT PER MICROBAR
Length0.940 INCHES MINIMUM AND 0.950 INCHES MAXIMUM
Width0.630 INCHES MINIMUM AND 0.640 INCHES MAXIMUM
Frequency Response Range In Hertz+100.0 TO 10000.0
Impedance Rating65.0 OHMS NOMINAL
Dc Resistance Rating In Ohms9.9 NOMINAL
Output Sensitivity Rating In Decib-70.5
Height0.322 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
Polarity ConnectionNOT REQUIRED
Cancelled NSN6695-01-099-0079 (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 B4028397 available?
We can source B4028397 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 B4028397 by Department Of The Army Hq United States Army Communications Research And Development Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B4028397 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 B4028397?
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 B4028397?
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.