Boeing · Electronic Components
LE413-0278-0003
Waveguide Assembly
Part NumberLE413-0278-0003
ManufacturerBoeing
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-658-2338 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Waveguide Inside Width1.090 INCHES NOMINAL
Waveguide Inside Height0.506 INCHES NOMINAL
Flange Inside Height0.506 INCHES NOMINAL ALL FLANGES
Waveguide Third Leg Length6.355 INCHES NOMINAL
Flange Outside Width1.97 INCHES NOMINAL ALL FLANGES
Cross Sectional Shape StyleINTERNAL, RECTANGULAR DOUBLE RIDGED EXTERNAL, RECTANGULAR
Flange Depth0.25 INCHES NOMINAL ALL FLANGES
Waveguide Fifth Leg Length4.03 INCHES NOMINAL
Flange Quantity2
Waveguide First Leg Length8.075 INCHES NOMINAL
Flange Inside Width1.090 INCHES NOMINAL ALL FLANGES
Vendor Part NumbersTDR14537
ESD/EMICode A — ESD/EMI sensitive item
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 LE413-0278-0003 available?
We can source LE413-0278-0003 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 LE413-0278-0003 by Boeing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LE413-0278-0003 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 LE413-0278-0003?
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 LE413-0278-0003?
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.