Naval Ship Systems Command · Electronic Components
49003
Earphone — Headsets, Microphones, and Speakers
Part Number49003
ManufacturerNaval Ship Systems Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5965-00-234-7338 (NSN)
Federal Item NameEARPHONE
Federal Supply Class5965 — Headsets, Microphones, and Speakers
Frequency Response Range In Hertz+200.0 TO 2000.0
Overall Diameter2.340 INCHES MINIMUM AND 2.460 INCHES MAXIMUM
Impedance Rating In Ohms9500.0 MINIMUM AND 12500.0 MAXIMUM
Reference Frequency In Hertz1100.0
Mounting MethodDIAMETRICALLY OPPOSED HOLES IN OUTSIDE PERIPHERY OF CASE EARPHONE
Terminal TypeJACK
Input Terminal TypePIN SIGNAL
Terminal Quantity2
Earphone Element TypeMAGNETIC
Terminal LocationEXTERNAL
Earphone Overall Depth1.190 INCHES MINIMUM AND 1.310 INCHES MAXIMUM
Vendor Part NumbersRE13A511B
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 49003 available?
We can source 49003 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 49003 by Naval Ship Systems Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 49003 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 49003?
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 49003?
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.