Keysight Technologies · Electronic Components
1251-0081
Connector, Plug, Electrical
Part Number1251-0081
ManufacturerKeysight Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-984-2064 (NSN)
Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Mating End Quantity1
Shell MaterialALUMINUM ALLOY
Connector Locking MethodINTERNALLY THREADED COUPLING NUT
Nominal Thread Size1.563 INCHES
Thread Series DesignatorUN
Insert MaterialPLASTIC SINGLE MATING END
Contact Maximum Current Rating In15.0 SINGLE MATING END FIRST CONTACT GROUPING
Included Contact Quantity5 SINGLE MATING END SECOND CONTACT GROUPING
Contact RemovabilityNONREMOVABLE SINGLE MATING END ALL CONTACT GROUPINGS
Included Contact TypeROUND SOCKET SINGLE MATING END ALL CONTACT GROUPINGS
Shell Surface TreatmentANODIZE
Vendor Part NumbersKR7-21C1-2
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 1251-0081 available?
We can source 1251-0081 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 1251-0081 by Keysight Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1251-0081 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 1251-0081?
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 1251-0081?
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.