Narda Holdings · Electronic Components
323B
Dummy Load, Electrical
Part Number323B
ManufacturerNarda Holdings
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-079-4091 (NSN)
Federal Item NameDUMMY LOAD,ELECTRICAL
Federal Supply Class5985 — Antennas and Waveguides
Overall Width4.100 INCHES MINIMUM AND 4.160 INCHES MAXIMUM
Frequency Range Rating+3.950 TO 5.850 GIGAHERTZ
Power Rating2.000 KILOWATTS AVERAGE AND 1000.000 KILOWATTS PEAK
Cooling MethodSELF-COOLED
Style DesignatorWAVEGUIDE MOUNTED
Overall Length9.820 INCHES MINIMUM AND 9.940 INCHES MAXIMUM
Voltage Standing Wave Ratio Freque+3.950 TO 5.850 GIGAHERTZ
Waveguide Flange DesignationUG-407/U
Termination TypeWAVEGUIDE FLANGE
Voltage Standing Wave Ratio1.10
Vendor Part Numbers323
Nondefinitive Spec Std Data323B TYPE
Envelope Medium TypeGAS
Tube TypeTHYRATRON
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 323B available?
We can source 323B 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 323B by Narda Holdings obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 323B 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 323B?
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 323B?
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.