Lockheed Martin Corporation · Electronic Components
C8259-1
Circuit Breaker
Part NumberC8259-1
ManufacturerLockheed Martin Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-247-5945 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Body Length2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM
Actuator Position DesignationAT POLE ONE
Inclosure Protection Type For WhicFUNGUS RESISTANT AND MOISTURE RESISTANT
Fragility FactorMODERATELY RUGGED
Center To Center Distance Between1.928 INCHES MINIMUM AND 1.948 INCHES MAXIMUM
Boss Height0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
Distance Between Centerlines Of Mo2.052 INCHES MINIMUM AND 2.072 INCHES MAXIMUM
Arc Quenching MethodAIR
Mounting Surface To Terminal End D2.461 INCHES MINIMUM AND 2.481 INCHES MAXIMUM
Mounting Facility Type And Quantit2 THREADED HOLE(S)
Thread Quantity Per Inch32
Vendor Part NumbersAM1R-A8-AC07D-A-5-5
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 C8259-1 available?
We can source C8259-1 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 C8259-1 by Lockheed Martin Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If C8259-1 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 C8259-1?
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 C8259-1?
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.