MIL-SPEC · Electronic Components
CN-43A/UP
Attenuator, Fixed
Part NumberCN-43A/UP
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-552-2507 (NSN)
Federal Item NameATTENUATOR,FIXED
Federal Supply Class5985 — Antennas and Waveguides
Surface TreatmentSILVER BODY
Test Data Document81349-MIL-A-4637 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DAT
Application DesignTRANSMISSION LINE
Precious MaterialSILVER
Voltage Standing Wave Ratio Freque+2.4 TO 3.7 GIGAHERTZ
Power Rating1.0 WATTS AVERAGE
Voltage Standing Wave Ratio1.25
Overall Diameter0.750 INCHES NOMINAL
Precious Material And LocationBODY SURFACES SILVER
Coaxial Connector Series DesignatiN
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Cancelled NSN5985-00-178-9932 (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 CN-43A/UP available?
We can source CN-43A/UP 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 CN-43A/UP by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CN-43A/UP 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 CN-43A/UP?
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 CN-43A/UP?
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.