ITT Cannon · Electronic Components
D20418-39
Retainer, Electrical Connector
Part NumberD20418-39
ManufacturerITT Cannon
LifecycleStocked
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-251-6573 (NSN)
Federal Item NameRETAINER,ELECTRICAL CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Thread Class2A FIRST MOUNTING FACILITY
Mounting Facility Type And Quantit1 THREADED STUD(S) SINGLE MOUNTING FACILITY
Overall Length0.828 INCHES NOMINAL
Surface TreatmentCADMIUM AND CHROMATE
MaterialSTEEL
Width Across Flats0.188 INCHES NOMINAL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Mounting Stud Length0.562 INCHES NOMINAL SINGLE MOUNTING FACILITY
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY
Vendor Part Numbers11557818, SM-A-800957-1, 235-004-0010
ESD/EMICode A — ESD/EMI sensitive item
Connector Shell SizeDE, DA, DB, DC, DD
ProducttraceabilityNo
RohscompliantNO
Screw Length146.15 mm
Thread Size Imperial4-40 UNC
Product Range-
IscanonicalY
Hazardousfalse
RohsphthalatescompliantNO
UseccnEAR99
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 D20418-39 available?
We can source D20418-39 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 D20418-39 by ITT Cannon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If D20418-39 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 D20418-39?
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 D20418-39?
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.