Littelfuse, Inc. · Electronic Components
522011
Fuseholder, Block
Part Number522011
ManufacturerLittelfuse, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-00-142-7450 (NSN)
Federal Item NameFUSEHOLDER,BLOCK
Federal Supply Class5920 — Fuses and Lightning Arresters
Overall Width1.000 INCHES NOMINAL
Mounting Hole Quantity2
Terminal Type And Quantity2 FERRULE W/SCREW
MaterialCOPPER ALLOY CONTACT
Fuse Terminal Type AccommodatedFERRULE
Internal Circuit Configuration And1 POLE, MAINLINE, FUSED
Accommodated Ferrule Diameter0.406 INCHES NOMINAL
Accommodated Fuse Length1.500 INCHES NOMINAL
Fuse Accommodation Quantity1
Overall Length3.250 INCHES NOMINAL
Overall Height1.062 INCHES NOMINAL
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 522011 available?
We can source 522011 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 522011 by Littelfuse, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 522011 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 522011?
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 522011?
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.