3M · Electronic Components
3421-6620
CONN SOCKET 20POS OPEN END 30AU
Part Number3421-6620
Manufacturer3M
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-278-8190 (NSN)
Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Overall Length1.180 INCHES NOMINAL
Overall Width0.240 INCHES NOMINAL
Overall Height0.640 INCHES NOMINAL
Body StyleSTRAIGHT SHAPE
Precious MaterialGOLD
Precious Material LocationCONTACT SURFACES GOLD
Contact Arrangement2 ROWS OF CONTACTS NON-INSERTED BOARD SINGLE MATING END
Included Contact Quantity20 SINGLE MATING END SINGLE CONTACT GROUPING
Contact Surface TreatmentGOLD AND NICKEL SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact TypeFLAT SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Federal Supply Class5935 — Connectors, Electrical
Precious Material And Weight0.020 GOLD GRAINS, TROY
Contact Maximum Current Rating In1.0 SINGLE MATING END SINGLE CONTACT GROUPING
Contact Position Arrangement Style2 ROWS OF CONTACTS NON-INSERTED BOARD SINGLE MATING END
Connector Cable Strain Relief MethBRACKET
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Vendor Part Numbers7000057807, SC220541-204
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 3421-6620 available?
We can source 3421-6620 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 3421-6620 by 3M obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3421-6620 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 3421-6620?
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 3421-6620?
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.