Kearfott · Electronic Components
B520001257
Connector, Plug, Electrical
Part NumberB520001257
ManufacturerKearfott
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-005-2769 (NSN)
Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Operating Temp Rating-55.0 CELSIUS MINIMUM AND 260.0 CELSIUS MAXIMUM
Connector Locking MethodINTERNALLY THREADED COUPLING RING
Contact Surface TreatmentRHODIUM AND SILVER SINGLE MATING END SINGLE CONTACT GROUPING
Contact Material Document And ClasMIL-C-26636 MIL SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Insert Material Document And ClassZZ-R-765 FED SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END
Shell MaterialSTEEL CORROSION RESISTING
Polarization MethodKEY, MULTIPLE KEY GROOVE
Insert MaterialRUBBER SINGLE MATING END
Thread Quantity Per Inch18
Shell TypeSOLID
Contact Position Arrangement Style61 NUMBER 20 SINGLE MATING END
Vendor Part NumbersZZLGC1024-61S7
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 B520001257 available?
We can source B520001257 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 B520001257 by Kearfott obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B520001257 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 B520001257?
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 B520001257?
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.