Microwave Development Laboratories · Electronic Components
90FP2109
Waveguide Assembly
Part Number90FP2109
ManufacturerMicrowave Development Laboratories
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-330-9257 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Flange Depth0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM ALL FLANGES
Flange Inside Height0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM ALL FLANGES
FlexibilityRIGID SINGLE TUBING SEGMENT
Flange StyleCOVER TYPE ALL FLANGES
Waveguide Length9.000 INCHES NOMINAL
Flange Quantity2
MaterialALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE
Waveguide Inside Width0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM
Flange Inside Width0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM ALL FLANGES
Flange Connecting Facility And Qua4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Waveguide Outside Width0.996 INCHES MINIMUM AND 1.004 INCHES MAXIMUM
Vendor Part Numbers3173028-100
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 90FP2109 available?
We can source 90FP2109 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 90FP2109 by Microwave Development Laboratories obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 90FP2109 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 90FP2109?
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 90FP2109?
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.