Microwave Development Laboratories · Electronic Components
90AC379
Adapter, Waveguide
Part Number90AC379
ManufacturerMicrowave Development Laboratories
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-257-2942 (NSN)
Federal Item NameADAPTER,WAVEGUIDE
Federal Supply Class5985 — Antennas and Waveguides
Adapter Length2.063 INCHES NOMINAL
Voltage Standing Wave Ratio1.25
Surface TreatmentSILVER ALL FLANGE OUTSIDE SURFACES
MaterialCOPPER ALL FLANGE
Adapter Overall Height1.125 INCHES NOMINAL
Connector End DesignFEMALE
Adapter Overall Width0.500 INCHES NOMINAL
Adapter Height1.000 INCHES NOMINAL
Flange Connecting Facility And Qua4 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY
Flange Connecting Hole Diameter0.170 INCHES NOMINAL ALL FLANGES SINGLE CONNECTION FACILITY
Style DesignatorWAVEGUIDE TO COAXIAL
Vendor Part Numbers5339-090575, 702276G1, UG592U
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 90AC379 available?
We can source 90AC379 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 90AC379 by Microwave Development Laboratories obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 90AC379 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 90AC379?
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 90AC379?
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.