● 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
Home / Catalog / Kearfott / B520001243
Kearfott  · Electronic Components

B520001243

Connector, Plug, Electrical

Part NumberB520001243
ManufacturerKearfott
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Environmental ProtectionTHERMAL SHOCK RESISTANT AND VIBRATION RESISTANT AND SHOCK RESISTANT AND MOISTURE RESISTANT
Thread DirectionRIGHT-HAND
Contact Position Arrangement Style61 NUMBER 20 SINGLE MATING END
Thread Quantity Per Inch18
Precious Material And LocationCONTACT SURFACES RHODIUM AND CONTACT SURFACES SILVER
Contact Material Document And ClasMIL-C-26636 MIL SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Connector Locking MethodINTERNALLY THREADED COUPLING RING
Shell Surface TreatmentPASSIVATE
Shell Material Document And ClassiQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
Nominal Thread Size1.438 INCHES AND 1.562 INCHES
Shell TypeSOLID
Vendor Part NumbersZZY-RC-1024-61PN
ESD/EMICode A — ESD/EMI sensitive item
Review your list (0) →
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 B520001243 available?
We can source B520001243 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 B520001243 by Kearfott obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B520001243 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 B520001243?
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 B520001243?
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.