Winchester Interconnect Micro · Electronic Components
CM4R31P7S01A
Connector, Receptacle, Electrical
Part NumberCM4R31P7S01A
ManufacturerWinchester Interconnect Micro
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-381-8394 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Included Contact TypeROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING
Unthreaded Mounting Hole Diameter0.086 INCHES MINIMUM AND 0.106 INCHES MAXIMUM
Contact Surface TreatmentGOLD SINGLE MATING END SINGLE CONTACT GROUPING
Shell Surface Treatment Document AMIL-C-26074, GRADE A MIL SPEC SINGLE TREATMENT RESPONSE
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Contact Surface Treatment DocumentMIL-G-45204, TYPE II, GRADE C, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Insert MaterialPLASTIC DIALLYL PHTHALATE OR PLASTIC POLYESTER OR PLASTIC POLYPHENYLENE SINGLE MATING END
Mating End Quantity1
Distance Between Mounting Facility1.790 INCHES MINIMUM AND 1.810 INCHES MAXIMUM
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Vendor Part NumbersMDM-31PBSP-A174, MK-252-031-325-220S
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 CM4R31P7S01A available?
We can source CM4R31P7S01A 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 CM4R31P7S01A by Winchester Interconnect Micro obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CM4R31P7S01A 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 CM4R31P7S01A?
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 CM4R31P7S01A?
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.