MIL-SPEC · Electronic Components
M55302/58LB66Y
Connector, Receptacle, Electrical
Part NumberM55302/58LB66Y
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-670-5623 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Precious Material And Weight0.066 GOLD GRAINS, TROY
Body StyleSTRAIGHT TYPE
Overall Height0.565 INCHES NOMINAL
Overall Length4.15 INCHES NOMINAL
Included Contact TypeROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Mating End Quantity1
Distance Between Mounting Facility3.9 INCHES NOMINAL
Unthreaded Mounting Hole Diameter0.12 INCHES NOMINAL
Overall Width0.25 INCHES NOMINAL
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT AND CORROSION RESISTANT AND HUMIDITY RESISTANT AND FUNGUS RESISTANT
Guide Design And LocationD SHAPE PIN LEFT-HAND AND D SHAPE SOCKET RIGHT-HAND AT 12:00 OCLOCK
Cancelled NSN5935-01-373-0434 (cancelled)
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 M55302/58LB66Y available?
We can source M55302/58LB66Y 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 M55302/58LB66Y by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M55302/58LB66Y 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 M55302/58LB66Y?
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 M55302/58LB66Y?
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.