Projects Unlimited Inc. · Electronic Components
P3939
Probe, Waveguide
Part NumberP3939
ManufacturerProjects Unlimited Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-643-2759 (NSN)
Federal Item NamePROBE,WAVEGUIDE
Federal Supply Class5985 — Antennas and Waveguides
Overall Length4.500 INCHES NOMINAL
Body MaterialALUMINUM
Detector TypeTRAVELING
Overall Diameter0.625 INCHES NOMINAL
Frequency Rating10.0 MEGAHERTZ MINIMUM AND 50.0 MEGAHERTZ MAXIMUM
Vendor Part Numbers7403540G1, 7403540REV2PT1, MX-925/U
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 P3939 available?
We can source P3939 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 P3939 by Projects Unlimited Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If P3939 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 P3939?
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 P3939?
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.