Cooper Bussmann, LLC · Electronic Components
3556
Fuseholder, Block
Part Number3556
ManufacturerCooper Bussmann, LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-00-411-7634 (NSN)
Federal Item NameFUSEHOLDER,BLOCK
Federal Supply Class5920 — Fuses and Lightning Arresters
Mounting Hole Quantity2
Overall Width1.500 INCHES NOMINAL
Center To Center Distance Between1.153 INCHES MINIMUM AND 1.159 INCHES MAXIMUM
Accommodated Fuse Length3.125 INCHES NOMINAL
Base Thickness0.500 INCHES NOMINAL
Accommodated Ferrule Diameter1.219 INCHES NOMINAL
Screw Thread Diameter0.312 INCHES NOMINAL
Screw Thread Quantity Per Inch18.0
Body StyleOPEN TYPE
Mounting Hole StyleDIAGONAL TO THE RIGHT
Fuse Accommodation Quantity1
Vendor Part Numbers265-1269-040
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 3556 available?
We can source 3556 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 3556 by Cooper Bussmann, LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3556 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 3556?
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 3556?
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.