TE Connectivity · Electronic Components
DK-621-1639-4S
Connector, Plug, Electrical
Part NumberDK-621-1639-4S
ManufacturerTE Connectivity
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-281-1553 (NSN)
Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Environmental ProtectionVIBRATION RESISTANT AND THERMAL SHOCK RESISTANT AND MOISTURE RESISTANT AND CORROSION RESISTANT
Terminal TypeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
Overall Length1.245 INCHES MINIMUM AND 1.275 INCHES MAXIMUM
Included Contact TypeCOAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Shell Surface TreatmentTIN
Shell Material Document And ClassiQQ-C-530C,ALLOY 712,COND A OR H FED SPEC SINGLE MATERIAL RESPONSE
Contact Material Document And ClasQQ-C-530,ALLOY 173 FED SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Shell TypeSOLID
Connector Locking MethodBAYONET LATCH
Shell MaterialCOPPER ALLOY
Contact Surface TreatmentGOLD AND NICKEL SINGLE MATING END SINGLE CONTACT GROUPING
Vendor Part NumbersTPL455CFLS-217, GC810UY39S
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 DK-621-1639-4S available?
We can source DK-621-1639-4S 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-621-1639-4S by TE Connectivity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If DK-621-1639-4S 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-621-1639-4S?
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-621-1639-4S?
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.