Commander Nawc-Wd · Electronic Components
CAD-90-220
Calibrator Set, Frequency
Part NumberCAD-90-220
ManufacturerCommander Nawc-Wd
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-01-369-1180 (NSN)
Federal Item NameCALIBRATOR SET,FREQUENCY
Federal Supply Class6625 — Test Instruments
Supply Items And Quantities6625-01-203-0541 POWER METER 1;6680-01-321-0068 COUNTER,ELECTRONIC,DIGITAL READOUT 1;6625-01-343-5134 FREQUENCY COUNTER
Unpackaged Unit Width30.250 INCHES NOMINAL
End Item NameTEST SET,ELECTRONIC COUNTERMEASURES
End Item Source80058
Unpackaged Unit Length24.000 INCHES NOMINAL
Nonsupply Items And QuantitiesACCESSORY DRAWER 1; CONNECTOR PANEL 2; HP DRAWER 1; IEEE BUSS 1; TNC CONNECTOR 1; BNC CONNECTOR 2; 115/120 VAC PLUG IN 2
Usage DesignPROVIDES THE CAPABILITY TO CALIBRATE,MAINTAIN & TROUBLESHOOT THE AN/USM-406C & AN/USM-639 TEST SETS
Joint Electronics Type DesignationAN/USM-644
Container TypeCASE
Unpackaged Unit Height31.410 INCHES NOMINAL
Vendor Part NumbersAN/USM-644
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 CAD-90-220 available?
We can source CAD-90-220 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 CAD-90-220 by Commander Nawc-Wd obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CAD-90-220 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 CAD-90-220?
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 CAD-90-220?
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.