Littelfuse, Inc. · Electronic Components
166.7000.520
Fuse, Enclosed Link
Part Number166.7000.520
ManufacturerLittelfuse, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-01-670-2408 (NSN)
Federal Item NameFUSE,ENCLOSED LINK
Federal Supply Class5920 — Fuses and Lightning Arresters
Surface TreatmentCOPPER ALLOY TERMINAL
Body StylePLUG-IN AUTOFUSE
Overall Width19.0 MILLIMETERS NOMINAL
Overall Length19.7 MILLIMETERS NOMINAL
Continuous Current Rating In Amps20.0
Terminal Thickness3.8 MILLIMETERS NOMINAL
Features ProvidedROHS DIRECTIVE COMPLIANCE
Terminal Length6.5 MILLIMETERS NOMINAL
Overall Height3.8 MILLIMETERS NOMINAL
Vendor Part Numbers91921444
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 166.7000.520 available?
We can source 166.7000.520 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 166.7000.520 by Littelfuse, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 166.7000.520 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 166.7000.520?
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 166.7000.520?
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.