Keysight Technologies · Electronic Components
1251-4009
Connector Body, Plug, Electrical
Part Number1251-4009
ManufacturerKeysight Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-272-5054 (NSN)
Federal Item NameCONNECTOR BODY,PLUG,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Connector Locking MethodFRICTION
Contact Position Arrangement Style1 ROW OF CONTACTS NON-INSERTED BOARD SINGLE MATING END
Criticality Code JustificationFEAT
Overall Length0.312 INCHES NOMINAL
Mating End Quantity1
Overall Width0.187 INCHES NOMINAL
Body StyleSTRAIGHT SHAPE
Insert MaterialPLASTIC SINGLE MATING END
Overall Height0.625 INCHES NOMINAL
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 1251-4009 available?
We can source 1251-4009 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 1251-4009 by Keysight Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1251-4009 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 1251-4009?
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 1251-4009?
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.