ITT Cannon · Electronic Components
WK4-21C1-2
Connector, Plug, Electrical
Part NumberWK4-21C1-2
ManufacturerITT Cannon
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-644-7179 (NSN)
Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Mating End Quantity1
Connector Cable Strain Relief MethCABLE CLAMP
Terminal TypeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
Precious Material And LocationCONTACT SURFACE SILVER
Included Contact Quantity4 SINGLE MATING END SINGLE CONTACT GROUPING
Contact Position Arrangement StyleWK-4 SINGLE MATING END
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Connector Locking MethodINTERNALLY THREADED COUPLING NUT
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Size0.875 INCHES
Shell Surface TreatmentCADMIUM
Vendor Part NumbersSM40-4-3
Cancelled NSN5935-00-840-4893 (cancelled)
RohscompliantNO
Ip Rating-
Circular Contact Type-
Hazardousfalse
RohsphthalatescompliantTBA
No Of Contacts4 Contacts
Coupling Style-
Product RangeStandard-K Series
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 WK4-21C1-2 available?
We can source WK4-21C1-2 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 WK4-21C1-2 by ITT Cannon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If WK4-21C1-2 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 WK4-21C1-2?
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 WK4-21C1-2?
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.