TE Connectivity · Electronic Components
DK-621-0051-1S-CS257
Connector, Receptacle, Electrical
Part NumberDK-621-0051-1S-CS257
ManufacturerTE Connectivity
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-327-6428 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Distance From Mounting Shoulder To0.712 INCHES MAXIMUM
Overall Diameter0.497 INCHES NOMINAL
Cable Entrance Diameter0.171 INCHES MINIMUM
Thread Class2A
Included Contact TypeTRIAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Connector Cable Strain Relief MethCRIMP TYPE AND SHRINKABLE TUBING
Contact Maximum Current Rating In3.0 SINGLE MATING END SINGLE CONTACT GROUPING
Shell MaterialCOPPER ALLOY
Criticality Code JustificationFEAT
Shell Material Document And ClassiASTM B196 ASSN STD SINGLE MATERIAL RESPONSE
Mating End Quantity1
Vendor Part Numbers05A053-1S
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 DK-621-0051-1S-CS257 available?
We can source DK-621-0051-1S-CS257 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 DK-621-0051-1S-CS257 by TE Connectivity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If DK-621-0051-1S-CS257 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 DK-621-0051-1S-CS257?
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 DK-621-0051-1S-CS257?
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.