Microwave Engineering · Electronic Components
TR78428-90
Waveguide Assembly
Part NumberTR78428-90
ManufacturerMicrowave Engineering
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-482-0862 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
FlexibilityRIGID SINGLE TUBING SEGMENTRIGID SINGLE TUBING SEGMENT
Flange Connecting Hole Diameter0.199 INCHES MINIMUM AND 0.199 INCHES MINIMUM AND 0.203 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES0.203 INCH
Waveguide Outside Height0.995 INCHES MINIMUM AND 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM1.005 INCHES MAXIMUM
Flange Depth0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM ALL FLANGES
Flange Connecting Facility And Qua8 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES8 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Surface TreatmentCHROMATE ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACESCHROMATE ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
MaterialALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE
Flange Inside Height1.002 INCHES MINIMUM AND 1.005 INCHES MAXIMUM ALL FLANGES
Style DesignatorSTRAIGHT TYPE
Flange Quantity2
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 TR78428-90 available?
We can source TR78428-90 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 TR78428-90 by Microwave Engineering obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If TR78428-90 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 TR78428-90?
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 TR78428-90?
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.