MIL-SPEC · Electronic Components
M28840/12AF1S3
Connector, Receptacle, Electrical
Part NumberM28840/12AF1S3
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-228-1784 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Thread Class2A
Unthreaded Mounting Hole Diameter0.115 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
Thread Series DesignatorDOUBLE STUB
Included Contact Quantity64 SINGLE MATING END SINGLE CONTACT GROUPING
Test Data Document81349-MIL-C-28840 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Environmental ProtectionMOISTURE RESISTANT AND CORROSION RESISTANT AND THERMAL SHOCK RESISTANT AND VIBRATION RESISTANT AND HEAT RESISTANT AND CO
Contact Surface Treatment DocumentMIL-G-45204 MIL SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING
Overall Height1.698 INCHES MINIMUM AND 1.738 INCHES MAXIMUM
Precious MaterialGOLD
Connector Locking MethodEXTERNALLY THREADED SHELL
Insert Position In Deg49.0 AND 169.0 AND 200.0 AND 244.0
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 M28840/12AF1S3 available?
We can source M28840/12AF1S3 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 M28840/12AF1S3 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M28840/12AF1S3 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 M28840/12AF1S3?
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 M28840/12AF1S3?
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.