Microwave Development Laboratories, Inc. · Electronic Components
284AC89
Adapter, Waveguide
Part Number284AC89
ManufacturerMicrowave Development Laboratories, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-003-1275 (NSN)
Federal Item NameADAPTER,WAVEGUIDE
Federal Supply Class5985 — Antennas and Waveguides
Waveguide Outside Width3.000 INCHES NOMINAL
Adapter Overall Width4.250 INCHES NOMINAL
Waveguide Inside Height1.340 INCHES NOMINAL
Waveguide Inside Width2.840 INCHES NOMINAL
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Voltage Standing Wave Ratio1.06
Connector End DesignFEMALE
Waveguide Outside Height1.500 INCHES NOMINAL
Adapter Height2.750 INCHES NOMINAL
Adapter Overall Height3.440 INCHES NOMINAL
Style DesignatorWAVEGUIDE TO COAXIAL
Vendor Part Numbers20400
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 284AC89 available?
We can source 284AC89 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 284AC89 by Microwave Development Laboratories, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 284AC89 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 284AC89?
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 284AC89?
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.