Rockwell Collins · Electronic Components
277-0399-010
Coupler, Directional
Part Number277-0399-010
ManufacturerRockwell Collins
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-064-5189 (NSN)
Federal Item NameCOUPLER,DIRECTIONAL
Federal Supply Class5985 — Antennas and Waveguides
Overall Length6.625 INCHES MAXIMUM
Usage DesignMAIN LINE TERMINAL FITTING
Design TypeBIDIRECTIONAL
Identifying NumberTERMINAL FITTING TYPE N
Power Loss In Decibels3.0
Radio Frequency Rating290.0 MEGAHERTZ MINIMUM AND 400.0 MEGAHERTZ MAXIMUM
Unit TypeCOAXIAL LINE
Overall Height1.375 INCHES NOMINAL
Overall Width2.312 INCHES NOMINAL
Vendor Part Numbers750BD
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 277-0399-010 available?
We can source 277-0399-010 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 277-0399-010 by Rockwell Collins obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 277-0399-010 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 277-0399-010?
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 277-0399-010?
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.