Bussmann · Electronic Components
4528
FUSEBLOCK FOR HVA/HVR
Part Number4528
ManufacturerBussmann
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-00-240-4054 (NSN)
Federal Item NameFUSEHOLDER,BLOCK
Federal Supply Class5920 — Fuses and Lightning Arresters
Terminal Type And Quantity2 TAB, SOLDER LUG
Body StyleCLIP CONNECTED TYPE
Coating MethodPLATED CONTACT
Base Thickness0.375 INCHES NOMINAL
Mounting Hole Diameter0.164 INCHES NOMINAL
Surface TreatmentNICKEL CONTACT
Mounting Hole StyleDIAGONAL TO THE LEFT
Accommodated Ferrule Diameter0.406 INCHES NOMINAL
Overall Width1.000 INCHES NOMINAL
Overall Height1.188 INCHES NOMINAL
Current Carrying Rating In Amps2.0
Threaded Device TypeMOUNTING STUD
Distance Between Mounting Facility3.719 INCHES NOMINAL
Insert MaterialPLASTIC SINGLE MATING END
Nominal Thread Size0.138 INCHES
Included Contact TypeROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Body Length4.494 INCHES NOMINAL
Included Contact Quantity25 SINGLE MATING END SINGLE CONTACT GROUPING
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Body Width0.500 INCHES NOMINAL
Mating End Quantity1
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 4528 available?
We can source 4528 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 4528 by Bussmann obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4528 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 4528?
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 4528?
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.