Electro Adapter · Electronic Components
2121C16120-0803
Backshell, Electrical Connector
Part Number2121C16120-0803
ManufacturerElectro Adapter
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-497-4260 (NSN)
Federal Item NameBACKSHELL,ELECTRICAL CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNEF
Overall Diameter1.250 INCHES NOMINAL
MaterialALUMINUM ALLOY
Surface TreatmentCADMIUM
Style DesignatorSTRAIGHT TYPE
Mounting Facility Type And Quantit1 THREADED COUPLING
Size Designation16
Overall Length3.999 INCHES NOMINAL
Thread Class2B
Thread Quantity Per Inch20
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 2121C16120-0803 available?
We can source 2121C16120-0803 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 2121C16120-0803 by Electro Adapter obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 2121C16120-0803 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 2121C16120-0803?
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 2121C16120-0803?
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.