● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Scientific Atlanta Inc.  · Electronic Components

421543

Test Set, Antenna Alignment

Part Number421543
ManufacturerScientific Atlanta Inc.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTEST SET,ANTENNA ALIGNMENT
Federal Supply Class6625 — Test Instruments
Major ComponentsTEST POSITIONER, GAIN HORN ASSY, GAIN HORN MOUNT, TRANSFER SWITCH, WAVEGUIDE ISOLATOR, COAX TO WAVEGUIDE
Test Type For Which DesignedPOSITIONING FOR ANTENNA MEASUREMENTS AND TRACKING APPLICATIONS
Enclosure FeatureMULTIPLE ITEM W/HOUSING
Relationship To Similar EquipmentSIMILAR TO SCIENTIFIC ATLANTA MODEL 5028A OVER MODEL 5021A
ESD/EMICode A — ESD/EMI sensitive item
Binding MethodWIRE BOUND
Usage DesignPOWER
Conductor Quantity74
Termination TypeCONNECTOR ALL ENDS ALL CONDUCTORS
Branch Quantity11
MaterialCOPPER CORE CONDUCTOR ALL CONDUCTORS
Vendor Part Numbers4086976
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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

Frequently asked

Is 421543 available?
We can source 421543 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 421543 by Scientific Atlanta Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 421543 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 421543?
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 421543?
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.