MIL-SPEC · Electronic Components
M55302/63D66S
Connector, Plug, Electrical
Part NumberM55302/63D66S
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-131-4387 (NSN)
Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Overall Width0.250 INCHES NOMINAL
Overall Length3.650 INCHES NOMINAL
Overall Height0.685 INCHES NOMINAL
Connector Locking MethodJACKSCREW-SOCKET
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Contact Surface Treatment DocumentMIL-G-45204,TYPE II,GRADE C,CLASS 1 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290,CLASS 2 FED SPEC 2ND TREATMENT RESPONS
Contact Position Arrangement Style2 ROWS OF CONTACTS NON-INSERTED BOARD SINGLE MATING END
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Contact Maximum Current Rating In5.0 SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Size0.086 INCHES
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
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 M55302/63D66S available?
We can source M55302/63D66S 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 M55302/63D66S by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M55302/63D66S 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 M55302/63D66S?
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 M55302/63D66S?
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.