Microwave Development Laboratories · Electronic Components
A90BX89
Waveguide Assembly
Part NumberA90BX89
ManufacturerMicrowave Development Laboratories
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-433-2242 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Tubing Wall Construction StyleSEAMLESS ALL TUBING SEGMENT
Waveguide Longer Offset Distance4.531 INCHES MINIMUM AND 4.541 INCHES MAXIMUM
FlexibilityRIGID ALL TUBING SEGMENT
Cross Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Flange Quantity2
Waveguide Offset Distance1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM
Style DesignatorBEND TYPE
MaterialALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE
Surface TreatmentCHROMATE AND PRIMER AND PAINT ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES
Vendor Part Numbers655740
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 A90BX89 available?
We can source A90BX89 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 A90BX89 by Microwave Development Laboratories obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A90BX89 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 A90BX89?
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 A90BX89?
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.