Quam Nichols Co · Electronic Components
4C3OT
Loudspeaker, Permanent Magnet
Part Number4C3OT
ManufacturerQuam Nichols Co
AvailabilityAvailable to order — request a quote
Specifications
NSN5965-00-083-6486 (NSN)
Federal Item NameLOUDSPEAKER,PERMANENT MAGNET
Federal Supply Class5965 — Headsets, Microphones, and Speakers
Style DesignatorSQUARE
Overall Depth1.875 INCHES NOMINAL
Mounting MethodUNTHREADED HOLE(S)
Mounting Facility Quantity4
Center To Center Distance Between3.312 INCHES NOMINAL
Transducer Diameter4.000 INCHES NOMINAL
Usage DesignINDOOR
Transducer TypeCONE
Overall Width4.094 INCHES NOMINAL
Overall Length4.094 INCHES NOMINAL
Installation DesignNONPORTABLE
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 4C3OT available?
We can source 4C3OT 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 4C3OT by Quam Nichols Co obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4C3OT 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 4C3OT?
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 4C3OT?
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.