Microwave Development Laboratories · Electronic Components
90BX879
Waveguide Assembly
Part Number90BX879
ManufacturerMicrowave Development Laboratories
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-174-2261 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Flange StyleCHOKE TYPE ALL FLANGES
Flange Outside Width1.625 INCHES NOMINAL ALL FLANGES
Surface TreatmentCHROMATE ALL TUBING SEGMENT AND FLANGE ALL SURFACES
Flange Quantity2
Flange Outside Height1.625 INCHES NOMINAL ALL FLANGES
Waveguide Outside Width1.000 INCHES NOMINAL
Flange Inside Width0.900 INCHES NOMINAL ALL FLANGES
Waveguide Inside Width0.900 INCHES NOMINAL
Flange Inside Height0.400 INCHES NOMINAL ALL FLANGES
Waveguide Inside Height0.400 INCHES NOMINAL
Flange Connecting Hole Diameter0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES
Cancelled NSN5985-01-140-7492 (cancelled)
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 90BX879 available?
We can source 90BX879 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 90BX879 by Microwave Development Laboratories obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 90BX879 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 90BX879?
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 90BX879?
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.