MIL-SPEC · Electronic Components
SM-35B/URM-25
Dummy Load, Electrical
Part NumberSM-35B/URM-25
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-260-1434 (NSN)
Federal Item NameDUMMY LOAD,ELECTRICAL
Federal Supply Class5985 — Antennas and Waveguides
Connector End DesignFEMALE
Termination TypeCONNECTION COAXIAL
Operating PositionALL POSITIONS
Overall Width1.281 INCHES NOMINAL
Power Rating0.250 WATTS AVERAGE
Style DesignatorCOAXIAL MOUNTED
Coaxial Connector Series DesignatiBNC
Overall Length3.281 INCHES NOMINAL
Overall Height1.062 INCHES NOMINAL
Voltage Standing Wave Ratio Freque+0.000 TO 2.500 MEGAHERTZ
Impedance Rating In Ohms220.0 NOMINAL
Vendor Part NumbersSC-DL-52044
Cancelled NSN6625-00-649-4323 (cancelled)
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 SM-35B/URM-25 available?
We can source SM-35B/URM-25 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 SM-35B/URM-25 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SM-35B/URM-25 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 SM-35B/URM-25?
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 SM-35B/URM-25?
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.