Microwave Development Laboratories · Electronic Components
90AC959
Adapter, Waveguide
Part Number90AC959
ManufacturerMicrowave Development Laboratories
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-123-0631 (NSN)
Federal Item NameADAPTER,WAVEGUIDE
Federal Supply Class5985 — Antennas and Waveguides
Voltage Standing Wave Ratio1.10
Waveguide Outside Width1.625 INCHES NOMINAL
Flange StyleCHOKE TYPE SINGLE FLANGE
Flange Quantity1
Adapter Overall Width1.625 INCHES NOMINAL
Style DesignatorWAVEGUIDE TO COAXIAL
Flange Depth0.438 INCHES NOMINAL SINGLE FLANGE
Adapter Length1.296 INCHES NOMINAL
Flange Connecting Facility And Qua4 UNTHREADED HOLE(S) SINGLE FLANGE ALL CONNECTION FACILITIES
Flange Inside Height0.400 INCHES NOMINAL SINGLE FLANGE
Cross Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Vendor Part Numbers929240-7C
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 90AC959 available?
We can source 90AC959 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 90AC959 by Microwave Development Laboratories obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 90AC959 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 90AC959?
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 90AC959?
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.