Keysight Technologies · Electronic Components
1251-4189
Connector Body, Receptacle, Electr
Part Number1251-4189
ManufacturerKeysight Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-082-1776 (NSN)
Federal Item NameCONNECTOR BODY,RECEPTACLE,ELECTR
Federal Supply Class5935 — Connectors, Electrical
Thread DirectionRIGHT-HAND
Body StyleSTRAIGHT SHAPE
Overall Width0.346 INCHES MAXIMUM
Connector Locking MethodFRICTION
Threaded Device TypeMOUNTING HOLE
Thread Quantity Per Inch40
Mating End Quantity1
Thread Class2B
Nominal Thread Length0.255 INCHES
Nominal Thread Size0.112 INCHES
Overall Length3.258 INCHES MAXIMUM
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 1251-4189 available?
We can source 1251-4189 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 1251-4189 by Keysight Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1251-4189 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 1251-4189?
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 1251-4189?
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.