Lockheed Martin Corp. · Electronic Components
3K90030-101
Waveguide Assembly
Part Number3K90030-101
ManufacturerLockheed Martin Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-942-6168 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Flange Inside Height0.400 INCHES NOMINAL FIRST FLANGE
Flange Inside Width0.900 INCHES NOMINAL FIRST FLANGE
Flange StyleCHOKE TYPE FIRST FLANGE
Flange Connecting Facility And Qua4 UNTHREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY
Voltage Standing Wave Ratio1.10
Flange Inside Diameter1.220 INCHES NOMINAL FIRST FLANGE
Flange Depth0.438 INCHES NOMINAL FIRST FLANGE
Surface TreatmentCHROMATE ALL FLANGE OUTSIDE SURFACES
Flange Outside Width1.625 INCHES NOMINAL FIRST FLANGE
Waveguide Longer Offset Distance2.276 FEET NOMINAL
Insertion Loss In Decibels0.35
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 3K90030-101 available?
We can source 3K90030-101 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 3K90030-101 by Lockheed Martin Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3K90030-101 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 3K90030-101?
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 3K90030-101?
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.