Autek Systems Corp. · Electronic Components
238-540
Fuse, Cartridge
Part Number238-540
ManufacturerAutek Systems Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5920-00-557-2647 (NSN)
Federal Item NameFUSE,CARTRIDGE
Federal Supply Class5920 — Fuses and Lightning Arresters
Overall Length1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM
Body StyleTUBE TYPE
Maximum Voltage Rating In Volts250.0 AC AND 250.0 DC
Circuit Over Current InterruptionNORMAL INSTANTANEOUS
Interruption Indicator MethodVISIBLE ELEMENT
Features ProvidedNONRENEWABLE FUSIBLE ELEMENT
Overall Diameter0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM
MaterialGLASS CASE
Continuous Current Rating In Amps4.000
Surface TreatmentNICKEL TERMINAL
Test Data Document81349-MIL-F-15160 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DA
Vendor Part NumbersF02A250V4A
Cancelled NSN5920-01-194-2209 (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 238-540 available?
We can source 238-540 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 238-540 by Autek Systems Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 238-540 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 238-540?
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 238-540?
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.