MIL-SPEC · Electronic Components
H-91/U
Headset-Microphone
Part NumberH-91/U
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5965-00-669-6871 (NSN)
Federal Item NameHEADSET-MICROPHONE
Federal Supply Class5965 — Headsets, Microphones, and Speakers
Earphone Controlling AgencyROANWELL CORP
Earphone Identifying Number10027 /5965-296-4044/ DRAWING NO.
Connector Controlling AgencyJETDS
Connector To Junction Cord Length5.000 FEET
Test Data Document81349-MIL-H-12576 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Output Level Rating35 DB ABOVE 1 MV
Connector NamePLUG
Connector Identifying NumberU-161/U TYPE NO.
Impedance Rating25.0 OHMS NOMINAL
Controlling AgencyROANWELL CORP
Earphone Element TypeMAGNETIC
Cancelled NSN5965-00-072-9438 (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 H-91/U available?
We can source H-91/U 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 H-91/U by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If H-91/U 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 H-91/U?
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 H-91/U?
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.