Heyco Inc. · Electronic Components
M4518
Box Connector, Electrical
Part NumberM4518
ManufacturerHeyco Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5975-01-564-7908 (NSN)
Federal Item NameBOX CONNECTOR,ELECTRICAL
Federal Supply Class5975 — Electrical Hardware and Supplies
MaterialPLASTIC NYLON
Nominal Thread Size0.500 INCHES FIRST END
Inside Diameter0.260 INCHES NOMINAL SECOND END
Item Accommodated Trade Size0.500 INCHES SECOND END
Style DesignatorSTRAIGHT
Conduit Type AccommodatedFLEXIBLE NONMETALLIC SECOND END
End TypeEXTERNAL THREAD FIRST END
Thread Series DesignatorNPT FIRST 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 M4518 available?
We can source M4518 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 M4518 by Heyco Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M4518 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 M4518?
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 M4518?
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.