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MIL-SPEC  · Electronic Components

M55302/55-B54L

Connector, Plug, Electrical

Part NumberM55302/55-B54L
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Thread DirectionRIGHT-HAND
Polarization MethodJACKSCREW
Included Contact Quantity54 SINGLE MATING END SINGLE CONTACT GROUPING
Threaded Device TypeCOUPLING FACILITY
Body StyleSTRAIGHT SHAPE W/SCREW LOCKS
Included Contact TypeROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Overall Length3.050 INCHES NOMINAL
Overall Height1.165 INCHES NOMINAL
Thread Class2A AND 2B
Contact Position Arrangement Style2 ROWS OF CONTACTS NON-INSERTED BOARD SINGLE MATING END
Overall Width0.250 INCHES NOMINAL
ESD/EMICode A — ESD/EMI sensitive item
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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

Frequently asked

Is M55302/55-B54L available?
We can source M55302/55-B54L 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 M55302/55-B54L by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M55302/55-B54L 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 M55302/55-B54L?
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 M55302/55-B54L?
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.