Lockheed Martin · Electronic Components
77C721395P001
Circuit Breaker
Part Number77C721395P001
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-229-8656 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Reset MethodMANUAL
Mounting Slot Width0.164 INCHES NOMINAL
Trip Release MethodMAGNETIC-HYDRAULIC ALL LOCATIONS
Operating Voltage Type And Rating480.0 AC ALL LOCATIONS
Body Height3.120 INCHES NOMINAL
Trip Delay Time In Seconds Per Rat1.500 MINIMUM AT 200 PCT AND 135.000 MAXIMUM AT 200 PCT ALL LOCATIONS
Boss Height0.260 INCHES NOMINAL
Center To Center Distance Between1.380 INCHES NOMINAL
Arc Quenching MethodAIR
Storage TypeGENERAL PURPOSE WAREHOUSE
Mounting Facility Type And Quantit4 SLOT
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 77C721395P001 available?
We can source 77C721395P001 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 77C721395P001 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 77C721395P001 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 77C721395P001?
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 77C721395P001?
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.