MIL-SPEC · Electronic Components
H172U
Headset-Microphone
Part NumberH172U
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5965-00-715-4031 (NSN)
Federal Item NameHEADSET-MICROPHONE
Federal Supply Class5965 — Headsets, Microphones, and Speakers
Earphone Identifying Number10357/G1 PART NO.
Earphone Impedance Rating600.0 OHMS NOMINAL
Mounting MethodBRACKET FASTENED TO RIGHT SIDE OF HEADBAND EARPHONE
Earphone Controlling AgencyROANWELL CORP
Connector Identifying NumberMS-3106A-14S-5P TYPE NO. AND MS-3057-6A TYPE NO.
Output Level Rating27 DB BELOW 1 MV
Connector To Junction Cord Length4.250 FEET
Connector NamePLUG OR CABLE
Microphone Mounting FacilitySWIVEL BRACKET
Microphone Element TypeDYNAMIC
Dc Resistance Rating In Ohms3.0 NOMINAL
Vendor Part NumbersRE51F127, 495-119-003-604
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 H172U available?
We can source H172U 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 H172U by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If H172U 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 H172U?
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 H172U?
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.