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Air Force Lifecycle Management Center Electronic Components (Aflcmc/Ezss)  · Electronic Components

66B818

Headset-Microphone

Part Number66B818
ManufacturerAir Force Lifecycle Management Center Electronic Components (Aflcmc/Ezss)
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameHEADSET-MICROPHONE
Federal Supply Class5965 — Headsets, Microphones, and Speakers
Connector Identifying NumberU-93A/U TYPE NO.
Microphone Mounting FacilityHOLDER AND SHIELD
Impedance Rating5.0 OHMS NOMINAL
Identifying NumberM-101/AIC TYPE NO.
Earphone Quantity2
Earphone Element TypeDYNAMIC
Controlling AgencyJETDS
Connector Controlling AgencyJETDS
Microphone Element TypeDYNAMIC
Frequency Rating0.2 KILOHERTZ MINIMUM AND 5.0 KILOHERTZ MAXIMUM
Earphone Impedance Rating9.0 OHMS MINIMUM AND 10.0 OHMS MAXIMUM
Vendor Part Numbers372-8CMC, 12135G03, H-133C/AIC
Cancelled NSN5965-00-892-3647 (cancelled)
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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

Frequently asked

Is 66B818 available?
We can source 66B818 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 66B818 by Air Force Lifecycle Management Center Electronic Components (Aflcmc/Ezss) obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 66B818 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 66B818?
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 66B818?
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.