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Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SCD21058-9
Circuit Breaker
Part NumberSCD21058-9
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-557-4530 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Arc Quenching MethodMAGNETIC BLOWOUT
Body Width1.015 INCHES MINIMUM AND 1.035 INCHES MAXIMUM
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Internal Trip Release ConfiguratioSERIES TRIP SINGLE LOCATION
Thread Quantity Per Inch32
Center To Center Distance Between4.303 INCHES MINIMUM AND 4.323 INCHES MAXIMUM
Distance Between Centerlines Of Mo2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM
Mounting Facility Type And Quantit2 THREADED HOLE(S)
Fragility FactorMODERATELY RUGGED
Pole Quantity1
Inclosure Protection Type For WhicDUSTPROOF
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 SCD21058-9 available?
We can source SCD21058-9 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 SCD21058-9 by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SCD21058-9 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 SCD21058-9?
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 SCD21058-9?
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.