Lockheed Martin · Electronic Components
583Z4558-3
Waveguide Assembly
Part Number583Z4558-3
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-299-1531 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Cross Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Flange Outside Width1.875 INCHES NOMINAL SECOND FLANGE
Flange Connecting Hole Diameter0.169 INCHES NOMINAL FIRST FLANGE ALL CONNECTION FACILITIES
Tubing Wall Construction StyleSTRAIGHT SEAM SINGLE TUBING SEGMENT
MaterialCOPPER ALLOY SINGLE TUBING SEGMENT AND FLANGE
Flange StyleCHOKE TYPE SECOND FLANGE
Waveguide Offset Distance4.120 INCHES NOMINAL
Waveguide Inside Width1.122 INCHES NOMINAL
Flange Quantity2
Nominal Thread Size0.164 INCHES SECOND FLANGE ALL CONNECTION FACILITIES
Flange Outside Height1.875 INCHES NOMINAL FIRST FLANGE
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 583Z4558-3 available?
We can source 583Z4558-3 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 583Z4558-3 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 583Z4558-3 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 583Z4558-3?
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 583Z4558-3?
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.