L3 Technologies · Electronic Components
1859514
Heat Sink, Electrical
Part Number1859514
ManufacturerL3 Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-397-2050 (NSN)
Federal Item NameHEAT SINK,ELECTRICAL-ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Material Document And ClassificatiQQ-A-250/8, 5052-H32 FED SPEC SINGLE MATERIAL RESPONSE
Unthreaded Mounting Hole Diameter0.188 INCHES NOMINAL THIRD MOUNTING FACILITY
Mounting Facility Type And Quantit16 UNTHREADED HOLE(S) THIRD MOUNTING FACILITY
Surface Treatment Document And ClaMIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE
Surface TreatmentCHROMATE
MaterialALUMINUM ALLOY
Overall Width1.350 INCHES NOMINAL
Overall Height0.630 INCHES NOMINAL
Overall Length4.880 INCHES NOMINAL
Mounting Slot Length0.225 INCHES MINIMUM AND 0.265 INCHES MAXIMUM FIRST MOUNTING FACILITY
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 1859514 available?
We can source 1859514 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 1859514 by L3 Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1859514 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 1859514?
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 1859514?
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.