Mercury Commercial Electronics · Electronic Components
91129
Dummy Load, Electrical
Part Number91129
ManufacturerMercury Commercial Electronics
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-943-8444 (NSN)
Federal Item NameDUMMY LOAD,ELECTRICAL
Federal Supply Class5985 — Antennas and Waveguides
Operating PositionALL POSITIONS
Frequency Range Rating+4.400 TO 5.000 GIGAHERTZ
Termination TypeWAVEGUIDE FLANGE
Voltage Standing Wave Ratio1.30
Power Rating10.000 WATTS AVERAGE
Waveguide Flange DesignationUG-407/U
Cooling MethodSELF-COOLED
Style DesignatorWAVEGUIDE MOUNTED
Voltage Standing Wave Ratio Freque+4.000 TO 5.000 GIGAHERTZ
Impedance Rating In Ohms50.0 NOMINAL
Overall Diameter3.625 INCHES NOMINAL
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 91129 available?
We can source 91129 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 91129 by Mercury Commercial Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 91129 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 91129?
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 91129?
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.