MIL-SPEC · Electronic Components
MS3402D40-56D
Connector, Receptacle, Electrical
Part NumberMS3402D40-56D
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-177-3869 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Thread Class2A
Unthreaded Mounting Hole Diameter0.168 INCHES MINIMUM AND 0.183 INCHES MAXIMUM
Threaded Device TypeCOUPLING FACILITY
Distance Between Centerlines Of Mo2.188 INCHES MAXIMUM
Overall Width2.719 INCHES MINIMUM AND 2.781 INCHES MAXIMUM
Insert MaterialRUBBER SYNTHETIC SINGLE MATING END
Environmental ProtectionMOISTURE PROOF AND SALT WATER RESISTANT AND VIBRATION PROOF
Overall Height2.719 INCHES MINIMUM AND 2.781 INCHES MAXIMUM
Shell TypeSOLID
Polarization MethodKEYWAY OR MULTIPLE KEYWAY
Shell MaterialALUMINUM ALLOY
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 MS3402D40-56D available?
We can source MS3402D40-56D 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 MS3402D40-56D by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MS3402D40-56D 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 MS3402D40-56D?
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 MS3402D40-56D?
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.