Rockwell Collins · Electronic Components
277-0434-020
Coupler, Directional
Part Number277-0434-020
ManufacturerRockwell Collins
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-028-0015 (NSN)
Federal Item NameCOUPLER,DIRECTIONAL
Federal Supply Class5985 — Antennas and Waveguides
Overall Width1.172 INCHES NOMINAL
Usage DesignMAIN LINE TERMINAL FITTING
Unit TypeCOAXIAL LINE
Design TypeBIDIRECTIONAL
Radio Frequency Rating225.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM
Overall Length3.953 INCHES NOMINAL
Overall Height1.000 INCHES NOMINAL
Vendor Part Numbers4169L
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 277-0434-020 available?
We can source 277-0434-020 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 277-0434-020 by Rockwell Collins obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 277-0434-020 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 277-0434-020?
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 277-0434-020?
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.