MIL-SPEC · Electronic Components
MS3112E20-39PY
Connector, Receptacle, Electrical
Part NumberMS3112E20-39PY
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-867-9117 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Distance From Mounting Shoulder To0.556 INCHES MINIMUM AND 0.587 INCHES MAXIMUM
Unthreaded Mounting Hole Diameter0.120 INCHES NOMINAL
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
Included Contact TypeROUND PIN SINGLE MATING END ALL CONTACT GROUPINGS
Shell Surface Treatment Document AQQ-P-416 TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE
Test Data Document81349-MIL-C-26482 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Included Contact Quantity37 SINGLE MATING END SECOND CONTACT GROUPING
Contact Position Arrangement Style20-39 SINGLE MATING END
Contact Surface Treatment DocumentMIL-G-45204 TY 1,CL 1,GRADE C MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290 GRADE E FED SPEC 2ND TREATMENT RESPONSE SING
Terminal LocationBACK SINGLE MATING END ALL CONTACT GROUPINGS
Contact Maximum Ac Voltage Rating600.0 SINGLE MATING END ALL CONTACT GROUPINGS
Cancelled NSN5935-00-051-4779 (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 MS3112E20-39PY available?
We can source MS3112E20-39PY 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 MS3112E20-39PY by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3112E20-39PY 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 MS3112E20-39PY?
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 MS3112E20-39PY?
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.