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Lockheed Martin Corporation  · Electronic Components

C4721-6

Adapter, Connector

Part NumberC4721-6
ManufacturerLockheed Martin Corporation
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameADAPTER,CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Connector Locking MethodEXTERNALLY THREADED SHELL AND INTERNALLY THREADED COUPLING RING
Included Contact Quantity1 FIRST MATING END SINGLE CONTACT GROUPING
Shell MaterialSTEEL
Precious Material And Weight0.010 GOLD GRAINS, TROY
Thread Series DesignatorUNS AND UNEF
Contact Position Arrangement StyleNONSTD SECOND MATING END
Contact RemovabilityNONREMOVABLE ALL MATING ENDS SINGLE CONTACT GROUPING
Thread Quantity Per Inch36 AND 24
Insert MaterialPLASTIC POLYTETRAFLUOROETHYLENE ALL MATING ENDS
Body StyleSTRAIGHT SHAPE, INTERNAL COUPLING
Precious MaterialGOLD
Vendor Part Numbers131-91045
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 C4721-6 available?
We can source C4721-6 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 C4721-6 by Lockheed Martin Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If C4721-6 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 C4721-6?
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 C4721-6?
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.