L3Harris Technologies · Electronic Components
398057-1
Waveguide Assembly
Part Number398057-1
ManufacturerL3Harris Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-035-5242 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Voltage Standing Wave Ratio1.051.05
Flange Depth0.313 INCHES NOMINAL SECOND FLANGE0.313 INCHES NOMINAL SECOND FLANGE
Waveguide Outside Height0.391 INCHES NOMINAL0.391 INCHES NOMINAL
Waveguide Offset Distance9.062 INCHES NOMINAL
Flange Connecting Facility And Qua2 THREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY2 THREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY
Flange Inside Height0.311 INCHES NOMINAL FIRST FLANGE0.311 INCHES NOMINAL FIRST FLANGE
Bend Angle In Deg90.0 SINGLE BEND H-PLANE90.0 SINGLE BEND H-PLANE
Waveguide Outside Width0.702 INCHES NOMINAL0.702 INCHES NOMINAL
Flange Outside Height1.313 INCHES NOMINAL SECOND FLANGE1.313 INCHES NOMINAL SECOND FLANGE
Waveguide Inside Height0.311 INCHES NOMINAL0.311 INCHES NOMINAL
Thread DirectionRIGHT-HAND FIRST FLANGE SINGLE CONNECTION FACILITYRIGHT-HAND FIRST FLANGE SINGLE CONNECTION FACILITY
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 398057-1 available?
We can source 398057-1 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 398057-1 by L3Harris Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 398057-1 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 398057-1?
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 398057-1?
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.