Electro Adapter · Electronic Components
2121C18101-0803
Backshell, Electrical Connector
Part Number2121C18101-0803
ManufacturerElectro Adapter
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-689-4694 (NSN)
Federal Item NameBACKSHELL,ELECTRICAL CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Thread Class2B
Nominal Thread Size1.063 INCHES
Cable Opening Quantity1
Size Designation18
Cable Opening Diameter0.375 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
Nominal Thread Length0.156 INCHES
Thread Quantity Per Inch18
Seal TypeGROMMET
Thread Series DesignatorUNEF
Style DesignatorSTRAIGHT TYPE W/CABLE CLAMP
Surface TreatmentCADMIUM
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 2121C18101-0803 available?
We can source 2121C18101-0803 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 2121C18101-0803 by Electro Adapter obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2121C18101-0803 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 2121C18101-0803?
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 2121C18101-0803?
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.