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Lockheed Martin  · Electronic Components

8771289-4

Connector, Receptacle, Electrical

Part Number8771289-4
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Insert MaterialPLASTIC SINGLE MATING END
Thread DirectionRIGHT-HAND
Center To Center Distance Between0.662 INCHES NOMINAL
Overall Width0.850 INCHES NOMINAL
Nominal Thread Size0.438 INCHES
Radio Frequency Type Contact Chara50.0 SINGLE MATING END SINGLE CONTACT GROUPING
Thread Series DesignatorUNEF
Shell MaterialCOPPER ALLOY
Threaded Device TypeCOUPLING FACILITY
Unthreaded Mounting Hole Diameter0.128 INCHES NOMINAL
Included Contact TypeCOAXIAL PIN SINGLE MATING END SINGLE CONTACT GROUPING
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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 8771289-4 available?
We can source 8771289-4 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 8771289-4 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 8771289-4 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 8771289-4?
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 8771289-4?
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.