Winchester Interconnect · Electronic Components
XB189-20
Jackscrew, Electrical Connector
Part NumberXB189-20
ManufacturerWinchester Interconnect
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-158-4345 (NSN)
Federal Item NameJACKSCREW,ELECTRICAL CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Thread DirectionRIGHT-HAND
Mounting Facility Type And Quantit1 THREADED COUPLING
MaterialSTEEL CORROSION RESISTING
Style DesignatorBODY MOUNTED
Surface TreatmentPASSIVATE
Thread Class2B
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Overall Length5.469 INCHES NOMINAL
Overall Diameter0.187 INCHES NOMINAL
Thread Quantity Per Inch32
Nominal Thread Size0.138 INCHES
Vendor Part Numbers1989337PC2, 1989337-2
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 XB189-20 available?
We can source XB189-20 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 XB189-20 by Winchester Interconnect obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If XB189-20 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 XB189-20?
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 XB189-20?
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.