Lockheed Martin · Electronic Components
1211411-301
Waveguide Assembly
Part Number1211411-301
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-394-5373 (NSN)
Federal Item NameWAVEGUIDE ASSEMBLY
Federal Supply Class5985 — Antennas and Waveguides
Waveguide Second Leg Length19.830 INCHES NOMINAL
Flange StyleCONTACT TYPE ALL FLANGES
FlexibilityRIGID ALL TUBING SEGMENT
Flange Connecting Facility And Qua8 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
MaterialALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE
Waveguide Fourth Leg Length5.000 INCHES NOMINAL
Waveguide Third Leg Length37.997 INCHES MINIMUM AND 38.030 INCHES MAXIMUM
Flange Connecting Hole Diameter0.257 INCHES MINIMUM AND 0.262 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES
Flange Quantity2
Flange Inside Height1.334 INCHES MINIMUM AND 1.346 INCHES MAXIMUM ALL FLANGES
Waveguide Outside Width2.994 INCHES MINIMUM AND 3.006 INCHES MAXIMUM
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 1211411-301 available?
We can source 1211411-301 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 1211411-301 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1211411-301 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 1211411-301?
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 1211411-301?
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.