Bussmann · Electronic Components
3743
FUSEBLOCK 30A 600V 13/32X1-1/2"
Part Number3743
ManufacturerBussmann
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-00-865-9622 (NSN)
Federal Item NameFUSEHOLDER,BLOCK
Federal Supply Class5920 — Fuses and Lightning Arresters
MaterialPLASTIC BODY
Terminal Type And Quantity2 SCREW
Internal Circuit Configuration And1 POLE, MAINLINE, FUSED
Accommodated Ferrule Diameter0.406 INCHES NOMINAL
Overall Width1.344 INCHES NOMINAL
Screw Thread Quantity Per Inch32.0
Voltage In Volts250.0
Fuse Terminal Type AccommodatedFERRULE
Current Carrying Rating In Amps30.0
Fuse Accommodation Quantity1
Overall Length2.562 INCHES NOMINAL
Threaded Device TypeCOUPLING FACILITY
Overall Height3.500 INCHES NOMINAL
Distance Between Mounting Facility3.375 INCHES NOMINAL
Thread DirectionRIGHT-HAND
Environmental ProtectionWATERTIGHT
Included Contact TypeROUND SOCKET SINGLE MATING END SECOND CONTACT GROUPING
Contact Maximum Ac Voltage Rating600.0 SINGLE MATING END FIRST CONTACT GROUPING
Connector Locking MethodEXTERNALLY THREADED SHELL
Nominal Thread Size1.875 INCHES
Included Contact Quantity1 SINGLE MATING END FIRST CONTACT GROUPING
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 3743 available?
We can source 3743 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 3743 by Bussmann obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3743 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 3743?
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 3743?
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.