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L3Harris Technologies  · Electronic Components

171378-1

Flange, Waveguide

Part Number171378-1
ManufacturerL3Harris Technologies
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameFLANGE,WAVEGUIDE
Federal Supply Class5985 — Antennas and Waveguides
Flange Connecting Facility And Qua10 UNTHREADED HOLE(S) SINGLE FLANGE SINGLE CONNECTION FACILITY
Flange Outside Width4.500 INCHES NOMINAL SINGLE FLANGE
Flange Connecting Hole Diameter0.256 INCHES MINIMUM AND 0.263 INCHES MAXIMUM SINGLE FLANGE SINGLE CONNECTION FACILITY
Flange StyleCONTACT TYPE SINGLE FLANGE
MaterialALUMINUM ALLOY SINGLE FLANGE
Flange Inside Height1.338 INCHES MINIMUM AND 1.342 INCHES MAXIMUM SINGLE FLANGE
Flange Outside Height3.000 INCHES NOMINAL SINGLE FLANGE
Flange Depth0.750 INCHES NOMINAL SINGLE FLANGE
Flange Inside Width2.838 INCHES MINIMUM AND 2.842 INCHES MAXIMUM SINGLE FLANGE
Vendor Part NumbersAR-WGF1100
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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

Frequently asked

Is 171378-1 available?
We can source 171378-1 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 171378-1 by L3Harris Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 171378-1 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 171378-1?
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 171378-1?
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.