Northrop Grumman Systems Corporation · Electronic Components
990C668H10
Circuit Breaker
Part Number990C668H10
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-472-0575 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Main Contact Tripping Mechanism TyTRIP FREE
Body Width0.750 INCHES NOMINAL
Reset MethodAUTOMATIC
Trip Release MethodMAGNETIC-HYDRAULIC SINGLE LOCATION
Maximum Interrupting Capacity Curr2000.0 AC SINGLE LOCATION
Precious MaterialSILVER
Internal Trip Release ConfiguratioSERIES TRIP SINGLE LOCATION
Terminal Type And Quantity2 THREADED STUD
Center To Center Distance Between1.938 INCHES NOMINAL
Trip Delay Time In Seconds Per Rat1.500 NOMINAL AT 100 PCT AND 1.000 NOMINAL AT 125 PCT AND 0.120 NOMINAL AT 300 PCT SINGLE LOCATION
Inclosure Protection Type For WhicHUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT
Vendor Part NumbersAPL1-1176-10
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 990C668H10 available?
We can source 990C668H10 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 990C668H10 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 990C668H10 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 990C668H10?
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 990C668H10?
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.