Kearfott · Electronic Components
A520A243-101
Connector, Receptacle, Electrical
Part NumberA520A243-101
ManufacturerKearfott
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-165-5283 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Precious Material And LocationCONTACT SURFACES GOLD
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Shell TypeSOLID
Center To Center Distance Between0.558 INCHES MINIMUM AND 0.566 INCHES MAXIMUM
Environmental ProtectionHUMIDITY RESISTANT AND SALT WATER RESISTANT AND SHOCK RESISTANT AND THERMAL SHOCK RESISTANT
Polarization MethodMATING END
Included Contact TypeROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING
Precious Material And Weight0.051 GOLD GRAINS, TROY
Thread Class2B
Distance Between Centerlines Of Mo2.570 INCHES MINIMUM AND 2.580 INCHES MAXIMUM
Vendor Part NumbersDPKA42940-199
ESD/EMICode A — ESD/EMI sensitive item
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 A520A243-101 available?
We can source A520A243-101 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 A520A243-101 by Kearfott obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A520A243-101 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 A520A243-101?
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 A520A243-101?
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.