Rockwell Collins · Electronic Components
277-0397-010
Coupler, Directional
Part Number277-0397-010
ManufacturerRockwell Collins
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-015-0410 (NSN)
Federal Item NameCOUPLER,DIRECTIONAL
Federal Supply Class5985 — Antennas and Waveguides
Overall Length5.468 INCHES NOMINAL
Power Loss In Decibels0.1
Radio Frequency Rating290.0 MEGAHERTZ MINIMUM AND 320.0 MEGAHERTZ MAXIMUM
Overall Height1.750 INCHES NOMINAL
Overall Width1.000 INCHES NOMINAL
Unit TypeCOAXIAL LINE
Design TypeBIDIRECTIONAL
Usage DesignMAIN LINE AND SECONDARY LINE TERMINAL FITTING
Vendor Part Numbers4168U
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 277-0397-010 available?
We can source 277-0397-010 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 277-0397-010 by Rockwell Collins obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 277-0397-010 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 277-0397-010?
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 277-0397-010?
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.