● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Rockwell Collins, Inc.  · Electronic Components

PC78661-1

Connector, Receptacle, Electrical

Part NumberPC78661-1
ManufacturerRockwell Collins, Inc.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Center To Center Distance Between1.938 INCHES NOMINAL
Distance From Mounting Shoulder To0.750 INCHES NOMINAL
Distance Between Centerlines Of Mo1.938 INCHES NOMINAL
Overall Length2.322 INCHES NOMINAL
Overall Width2.500 INCHES NOMINAL
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
Included Contact Quantity4 SINGLE MATING END SECOND CONTACT GROUPING
Shell MaterialALUMINUM ALLOY
Terminal TypeCRIMP SINGLE MATING END FIRST CONTACT GROUPING
Overall Height2.500 INCHES NOMINAL
Unthreaded Mounting Hole Diameter0.173 INCHES NOMINAL
Vendor Part NumbersCA37343-2885
ESD/EMICode A — ESD/EMI sensitive item
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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

Frequently asked

Is PC78661-1 available?
We can source PC78661-1 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 PC78661-1 by Rockwell Collins, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If PC78661-1 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 PC78661-1?
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 PC78661-1?
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.