OSRAM SYLVANIA · Electronic Components
4559
600 WATT, INCANDESCENT LARGE PAR, AIRCRAFT
Part Number4559
ManufacturerOSRAM SYLVANIA
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-699-9656 (NSN)
Federal Item NameINSULATION SLEEVING,ELECTRICAL
Federal Supply Class5970 — Electrical Insulators
Heat Shrinkage Rating In Percent50.0
FlexibilityFLEXIBLE
Reliability IndicatorNOT ESTABLISHED
Design FormFULL ROUND
Expanded Inside Diameter2.0 MILLIMETERS MINIMUM AND 12.0 MILLIMETERS MAXIMUM
Features ProvidedROHS DIRECTIVE COMPLIANCE
Recovered Inside Diameter1.0 MILLIMETERS MINIMUM AND 6.0 MILLIMETERS MAXIMUM
Overall Length45.0 MILLIMETERS NOMINAL
ColorBLACK AND RED
MaterialPLASTIC POLYOLEFIN
Impregnation MaterialPLASTIC, POLYOLEFIN
Vendor Part Numbers485-4559
ESD/EMICode A — 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 4559 available?
We can source 4559 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 4559 by OSRAM SYLVANIA obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4559 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 4559?
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 4559?
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.