Joslyn Sunbank Company, LLC · Electronic Components
S1231-5
Backshell, Electrical Connector
Part NumberS1231-5
ManufacturerJoslyn Sunbank Company, LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-038-6634 (NSN)
Federal Item NameBACKSHELL,ELECTRICAL CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Thread Class2B
Cable Opening Diameter0.535 INCHES MINIMUM AND 0.565 INCHES MAXIMUM
Nominal Thread Size1.125 INCHES
Cable Opening Quantity1
Mounting Facility Type And Quantit1 THREADED COUPLING
Size Designation18
Nominal Thread Length0.190 INCHES
Overall Diameter1.173 INCHES MINIMUM AND 1.183 INCHES MAXIMUM
Thread Quantity Per Inch28
Thread Series DesignatorUN
MaterialALUMINUM ALLOY
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 S1231-5 available?
We can source S1231-5 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 S1231-5 by Joslyn Sunbank Company, LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If S1231-5 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 S1231-5?
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 S1231-5?
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.