Naval Sea Systems Command · Electronic Components
9S4688/5
Fuse Box — Fuses and Lightning Arresters
Part Number9S4688/5
ManufacturerNaval Sea Systems Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-00-178-1688 (NSN)
Federal Item NameFUSE BOX
Federal Supply Class5920 — Fuses and Lightning Arresters
Unthreaded Mounting Hole Diameter0.531 INCHES NOMINAL
Mounting MethodUNTHREADED HOLE(S)
Overall Height12.000 INCHES NOMINAL
Ground Connection Type For Which DSOLID
Features ProvidedCOVER
MaterialSTEEL
Center To Center Distance Between8.625 INCHES NOMINAL
Overall Width12.000 INCHES NOMINAL
Overall Depth4.500 INCHES NOMINAL
Standard Mounting Pattern Designat4 POINT-RECTANGULAR
System For Which DesignedTHREE WIRE THREE PHASE
Vendor Part NumbersSYM680, 9S4688LALT5
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 9S4688/5 available?
We can source 9S4688/5 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 9S4688/5 by Naval Sea Systems Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 9S4688/5 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 9S4688/5?
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 9S4688/5?
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.