● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Northrop Grumman Systems  · Electronic Components

860028-31

Circuit Breaker

Part Number860028-31
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Fragility FactorMODERATELY RUGGED
Mounting Facility Type And Quantit6 THREADED HOLE(S)
Center To Center Distance Between0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
Distance Between Centerlines Of Mo1.802 INCHES MINIMUM AND 1.822 INCHES MAXIMUM
Thread Quantity Per Inch32
Pole Quantity3
Arc Quenching MethodMAGNETIC BLOWOUT
Mounting Surface To Terminal End D1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM
Storage TypeGENERAL PURPOSE WAREHOUSE
Actuator Position DesignationAT EACH POLE
Internal Trip Release ConfiguratioSERIES TRIP ALL LOCATIONS
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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

Frequently asked

Is 860028-31 available?
We can source 860028-31 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 860028-31 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 860028-31 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 860028-31?
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 860028-31?
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.