Lockheed Martin · Electronic Components
654E4156-803
Waveguide Assembly
Part Number654E4156-803
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-108-8182 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Nominal Thread Size0.164 INCHES FIRST FLANGE SINGLE CONNECTION FACILITY
Waveguide Offset Distance5.810 INCHES NOMINAL
Flange Connecting Facility And Qua4 UNTHREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY
Waveguide Longer Offset Distance8.340 INCHES NOMINAL
Waveguide Inside Width1.122 INCHES NOMINAL
Waveguide Outside Width1.250 INCHES NOMINAL
Flange Inside Diameter1.625 INCHES NOMINAL FIRST FLANGE
Flange Inside Height0.628 INCHES NOMINAL SECOND FLANGE
Flange Outside Height1.875 INCHES NOMINAL FIRST FLANGE
Flange StyleCHOKE TYPE FIRST FLANGE
Flange Inside Width1.122 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 654E4156-803 available?
We can source 654E4156-803 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 654E4156-803 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 654E4156-803 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 654E4156-803?
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 654E4156-803?
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.