National Security Agency · Electronic Components
0N333873-4
Circuit Breaker
Part Number0N333873-4
ManufacturerNational Security Agency
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-236-1017 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Center To Center Distance Between0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM
Maximum Interrupting Capacity Curr5000.0 AC FIRST LOCATION
Trip Release CharacteristicTIME DELAY FIRST LOCATION
Trip Release MethodMAGNETIC ALL LOCATIONS
Circuit Protection TypeOVERVOLTAGE SECOND LOCATION
Unpackaged Unit Weight7.400 OUNCES NOMINAL
Auxiliary Switch Function And Quan1 ALARM
Special Handling FeatureMAGNETIC
Distance Between Centerlines Of Mo2.050 INCHES MINIMUM AND 2.070 INCHES MAXIMUM
Mounting Surface To Terminal End D2.490 INCHES MAXIMUM
Fragility FactorMODERATELY RUGGED
Vendor Part NumbersUPL-11-1R0-9851-1
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 0N333873-4 available?
We can source 0N333873-4 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 0N333873-4 by National Security Agency obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 0N333873-4 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 0N333873-4?
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 0N333873-4?
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.