Keytronics, Inc. · Electronic Components
K5657
Transformer, Pulse
Part NumberK5657
ManufacturerKeytronics, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-131-1724 (NSN)
Federal Item NameTRANSFORMER,PULSE
Federal Supply Class5950 — Coils and Transformers
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Mounting Facility Quantity2 SINGLE GROUP
Terminal Type And Quantity6 SCREW
Inclosure TypeFULLY INCLOSED
Thread Quantity Per Inch20 SINGLE GROUP
Distance Between Mounting Facility4.920 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Nominal Thread Size0.250 INCHES SINGLE GROUP
Body Width6.750 INCHES MAXIMUM
Body Length5.920 INCHES MAXIMUM
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
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 K5657 available?
We can source K5657 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 K5657 by Keytronics, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If K5657 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 K5657?
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 K5657?
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.