Boeing · Electronic Components
LE413-0251-0031
Waveguide Assembly
Part NumberLE413-0251-0031
ManufacturerBoeing
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-406-7651 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Flange Outside Width1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM FIRST FLANGE
Waveguide Inside Width1.118 INCHES MINIMUM AND 1.126 INCHES MAXIMUM
Waveguide Inside Height0.493 INCHES MINIMUM AND 0.501 INCHES MAXIMUM
Voltage Standing Wave Ratio1.20
Flange Depth0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM SECOND FLANGE
MaterialALUMINUM ALLOY SINGLE TUBING SEGMENT
Waveguide Outside Height0.621 INCHES MINIMUM AND 0.629 INCHES MAXIMUM
Flange Outside Height1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM FIRST FLANGE
Flange Inside Width1.118 INCHES MINIMUM AND 1.126 INCHES MAXIMUM FIRST FLANGE
Flange Connecting Hole Diameter0.169 INCHES MINIMUM AND 0.171 INCHES MAXIMUM SECOND FLANGE ALL CONNECTION FACILITIES
FlexibilityRIGID SINGLE TUBING SEGMENT
Vendor Part NumbersH170-376
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 LE413-0251-0031 available?
We can source LE413-0251-0031 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 LE413-0251-0031 by Boeing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LE413-0251-0031 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 LE413-0251-0031?
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 LE413-0251-0031?
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.