Amphenol · Electronic Components
MS3100A20-7S
CONN RCPT 8POS WALL MNT W/SCKT
Part NumberMS3100A20-7S
ManufacturerAmphenol
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-299-7814 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Terminal TypeSOLDER WELL SINGLE MATING END ALL CONTACT GROUPINGS
Overall Length2.188 INCHES MAXIMUM
Overall Width1.500 INCHES NOMINAL
Overall Height1.500 INCHES NOMINAL
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
Nominal Thread Size1.250 INCHES AND 1.188 INCHES
Contact Arrangement20-7 SINGLE MATING END
Included Contact Quantity4 SINGLE MATING END ALL CONTACT GROUPINGS
Contact Maximum Dc Voltage Rating1250.0 SINGLE MATING END SECOND CONTACT GROUPING; 700.0 SINGLE MATING END FIRST CONTACT GROUPING
Contact Maximum Ac Voltage Rating500.0 SINGLE MATING END FIRST CONTACT GROUPING; 900.0 SINGLE MATING END SECOND CONTACT GROUPING
Federal Supply Class5935 — Connectors, Electrical
Included Contact TypeROUND SOCKET SINGLE MATING END ALL CONTACT GROUPINGS
Terminal LocationBACK SINGLE MATING END ALL CONTACT GROUPINGS
Thread Series DesignatorUNEF
Shell MaterialALUMINUM ALLOY
Thread Quantity Per Inch18
Shell TypeSOLID
Cancelled NSN5935-00-666-4527 (cancelled)
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 MS3100A20-7S available?
We can source MS3100A20-7S 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 MS3100A20-7S by Amphenol obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3100A20-7S 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 MS3100A20-7S?
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 MS3100A20-7S?
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.