MIL-SPEC · Electronic Components
M55302/58-B66Y
Connector, Receptacle, Electrical
Part NumberM55302/58-B66Y
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-669-1481 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Unthreaded Mounting Hole Diameter0.12 INCHES NOMINAL
Body StyleSTRAIGHT TYPE
Distance Between Mounting Facility3.9 INCHES NOMINAL
Overall Height0.0605 INCHES NOMINAL
Environmental ProtectionHUMIDITY RESISTANT AND SHOCK PROOF AND THERMAL SHOCK RESISTANT AND VIBRATION PROOF
Mating End Quantity1
Overall Length4.15 INCHES NOMINAL
Overall Width0.25 INCHES NOMINAL
Insert Material Document And ClassMIL-P-19833 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-M-14 MIL SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END
Contact Position Arrangement Style2 ROWS OF CONTACTS NON-INSERTED BOARD SINGLE MATING END
Insert MaterialPLASTIC DIALLYL PHTHALATE SINGLE MATING END
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 M55302/58-B66Y available?
We can source M55302/58-B66Y 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 M55302/58-B66Y by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M55302/58-B66Y 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 M55302/58-B66Y?
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 M55302/58-B66Y?
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.