Te Connectivity Corporation · Electronic Components
51-258
Connector, Receptacle, Electrical
Part Number51-258
ManufacturerTe Connectivity Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-881-9480 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Thread Series DesignatorUNEF
Mating End Quantity1
Insert Material Document And ClassMIL-P-10468 MIL SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END
Nominal Thread Size0.216 INCHES
Precious Material And LocationCONTACT AND SHELL SURFACES GOLD
Shell TypeSOLID
Radio Frequency Type Contact Chara50.0 SINGLE MATING END SINGLE CONTACT GROUPING
Insert MaterialPLASTIC POLYTETRAFLUOROETHYLENE SINGLE MATING END
Included Contact TypeCOAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Precious MaterialGOLD
Precious Material And Weight0.105 GOLD GRAINS, TROY
Vendor Part NumbersR500, RF02390, 357-9308-00, 357-9308-000
Cancelled NSN5935-00-148-2556 (cancelled)
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 51-258 available?
We can source 51-258 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 51-258 by Te Connectivity Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 51-258 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 51-258?
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 51-258?
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.