Telephone Company Of America Incorporated · Electronic Components
D51333
Handset — Headsets, Microphones, and Speakers
Part NumberD51333
ManufacturerTelephone Company Of America Incorporated
AvailabilityAvailable to order — request a quote
Specifications
NSN5965-00-548-4271 (NSN)
Federal Item NameHANDSET
Federal Supply Class5965 — Headsets, Microphones, and Speakers
Earphone Impedance Rating1.1 KILOHMS NOMINAL
Impedance Rating0.7 OHMS NOMINAL
Conductor Quantity3
Power SourceSOUND POWERED
Earphone Element TypeMAGNETIC
Individual Connector Termination TLUG
Microphone Element TypeMAGNETIC
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 D51333 available?
We can source D51333 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 D51333 by Telephone Company Of America Incorporated obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If D51333 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 D51333?
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 D51333?
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.