Naval Air Warfare Center Aircraft Division, Lakehurst · Electronic Components
409737-2
Circuit Breaker
Part Number409737-2
ManufacturerNaval Air Warfare Center Aircraft Division, Lakehurst
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-00-549-5366 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Main Contact Tripping Mechanism TyTRIP FREE
Ultimate Trip Rating Of Continuous138.0 SINGLE LOCATION
Circuit Protection TypeOVERCURRENT SINGLE LOCATION
Trip Release Ambient Temp Rating50.0 CELSIUS NOMINAL SINGLE LOCATION
Test Data Document81349-MIL-C-17588 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Reset MethodMANUAL
Maximum Continuous Load Current Ra15.0 AMPERES AC AND 15.0 AMPERES DC SINGLE LOCATION
Operating Voltage Type And Rating120.0 AC AND 125.0 DC SINGLE LOCATION
Trip Release MethodTHERMAL-MAGNETIC SINGLE LOCATION
Trip Release CharacteristicTIME DELAY SINGLE LOCATION
Maximum Interrupting Capacity Curr5000.0 AC AND 2500.0 DC SINGLE LOCATION
Vendor Part NumbersENT1072, 789956-3, 454D507G03, 4274-12PC26, S454D507G03, 575-6401-1506017
Cancelled NSN5925-00-501-5053 (cancelled)
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 409737-2 available?
We can source 409737-2 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 409737-2 by Naval Air Warfare Center Aircraft Division, Lakehurst obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 409737-2 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 409737-2?
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 409737-2?
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.