L3Harris Technologies · Electronic Components
403918-1
Circuit Breaker
Part Number403918-1
ManufacturerL3Harris Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-005-7053 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Body Length2.000 INCHES NOMINAL
Actuator FunctionTRIP-RESET
Storage TypeGENERAL PURPOSE WAREHOUSE
Mounting Surface To Terminal End D2.000 INCHES MAXIMUM
Thread Quantity Per Inch32
Center To Center Distance Between1.530 INCHES NOMINAL
Mounting Facility Type And Quantit2 THREADED HOLE(S)
Distance Between Centerlines Of Mo1.660 INCHES NOMINAL
Pole Quantity1
Boss Height0.130 INCHES NOMINAL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Vendor Part NumbersAPG1-1-42-751-00
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 403918-1 available?
We can source 403918-1 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 403918-1 by L3Harris Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 403918-1 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 403918-1?
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 403918-1?
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.