OSRAM SYLVANIA · Electronic Components
F40CWX
40W, T12 RAPID START FLUORESCENT LAMP, DELUXE COOL WHITE PHOSPHOR, 4100K COLOR TEMPERATURE, 87 CRI
Part NumberF40CWX
ManufacturerOSRAM SYLVANIA
AvailabilityAvailable to order — request a quote
Specifications
NSN6240-01-281-6038 (NSN)
Federal Item NameLAMP,FLUORESCENT
Overall Length48.0 INCHES NOMINAL
Bulb DesignatorT-12
Bulb StyleT (TUBULAR)
Emitted Light CharacteristicWHITE, DELUXE COOL
Rated Average LifeHOURS
Average Life Rating In Hours20000.0
Wattage Rating40.0 WATTS
Starting CharacteristicPREHEAT AND RAPID
Base StyleMEDIUM BIPIN (FLUORESCENT)
Federal Supply Class6240 — Electric Lamps
Cancelled NSN6240-00-519-0158 (cancelled)
NSN Cancelled Date01-MAY-2023
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 F40CWX available?
We can source F40CWX 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 F40CWX by OSRAM SYLVANIA obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If F40CWX 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 F40CWX?
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 F40CWX?
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.