Mersen USA Ep · Electronic Components
USM1I
Fuseholder, Block
Part NumberUSM1I
ManufacturerMersen USA Ep
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-01-551-8088 (NSN)
Federal Item NameFUSEHOLDER,BLOCK
Federal Supply Class5920 — Fuses and Lightning Arresters
Accommodated Ferrule Diameter0.406 INCHES NOMINAL
Overall Width0.690 INCHES NOMINAL
Base Thickness1.670 INCHES NOMINAL
Terminal Type And Quantity1 FERRULE
Overall Height3.070 INCHES NOMINAL
Voltage In Volts600.0
Body StyleSIGNAL BLOCK
Accommodated Fuse Length1.500 INCHES NOMINAL
Internal Circuit Configuration And1 POLE, MAINLINE, FUSED
Overall Length3.070 INCHES NOMINAL
Fuse Accommodation Quantity1
Vendor Part NumbersPA20397/2110 ITEM 134
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 USM1I available?
We can source USM1I 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 USM1I by Mersen USA Ep obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If USM1I 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 USM1I?
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 USM1I?
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.