Ward Leonard Ct · Electronic Components
WL57-268
Resistor, Fixed, Wire Wound
Part NumberWL57-268
ManufacturerWard Leonard Ct
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-259-3088 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Nondefinitive Spec Std DataIW FORM
Test Data Document81349-MILR15109B SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DAT
Style DesignatorTERMINALS ONE SIDE
Distance Between Centerlines Of Mo6.875 INCHES NOMINAL
Power Dissipation Rating In Watts90.000 FREE AIR
Ambient Temp In Deg Celsius At Zer350.0
Reliability IndicatorNOT ESTABLISHED
Ambient Temp At Full Rated Power50.0 CELSIUS
Terminal TypeTAB W/SCREW
Mounting Hole Size0.438 INCHES NOMINAL
Body Height0.438 INCHES NOMINAL
Vendor Part Numbers57-268
ESD/EMICode B — ESD/EMI sensitive item
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 WL57-268 available?
We can source WL57-268 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 WL57-268 by Ward Leonard Ct obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If WL57-268 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 WL57-268?
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 WL57-268?
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.