Joslyn Sunbank · Electronic Components
S1798A16-4
Backshell, Electrical Connector
Part NumberS1798A16-4
ManufacturerJoslyn Sunbank
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-154-6112 (NSN)
Federal Item NameBACKSHELL,ELECTRICAL CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Cable Opening Diameter0.750 INCHES NOMINAL
Overall Diameter1.250 INCHES NOMINAL
Seal TypePREFORMED PACKING
Style DesignatorSTRAIGHT SHAPE SOLID TYPE
Size Designation18
Overall Length1.219 INCHES MAXIMUM
MaterialRUBBER SEAL
Thread Class2B
Thread Quantity Per Inch20
Thread Series DesignatorUNEF
Thread DirectionRIGHT-HAND
Vendor Part Numbers3117-18203, GA801AL18SH4
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 S1798A16-4 available?
We can source S1798A16-4 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 S1798A16-4 by Joslyn Sunbank obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If S1798A16-4 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 S1798A16-4?
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 S1798A16-4?
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.