Winchester Interconnect Corporation · Electronic Components
757-21-101
Connector, Receptacle, Electrical
Part Number757-21-101
ManufacturerWinchester Interconnect Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-334-7799 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Contact Position Arrangement StyleBNC SINGLE MATING END
Shell TypeSOLID
Connector Locking MethodEXTERNALLY THREADED SHELL
Unthreaded Mounting Hole Diameter0.177 INCHES NOMINAL
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
Included Contact TypeROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING
Threaded Device TypeCOUPLING FACILITY
Included Contact Quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
Thread Series DesignatorUNEF
Overall Height1.412 INCHES NOMINAL
Distance From Mounting Shoulder To0.599 INCHES NOMINAL
Vendor Part Numbers28JR445-1, A3140105-1
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 757-21-101 available?
We can source 757-21-101 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 757-21-101 by Winchester Interconnect Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 757-21-101 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 757-21-101?
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 757-21-101?
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.