Marine Corps Systems Command · Electronic Components
90009A5089-1
Heat Sink, Electrical
Part Number90009A5089-1
ManufacturerMarine Corps Systems Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-361-2664 (NSN)
Federal Item NameHEAT SINK,ELECTRICAL-ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Overall Length1.983 INCHES MINIMUM AND 2.017 INCHES MAXIMUM
Overall Width1.728 INCHES MINIMUM AND 1.772 INCHES MAXIMUM
Surface Treatment Document And ClaMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
Mounting Facility Type And Quantit1 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY
MaterialALUMINUM ALLOY
Body StyleBOARD MOUNTED
Unthreaded Mounting Hole Diameter0.183 INCHES MINIMUM AND 0.197 INCHES MAXIMUM SECOND MOUNTING FACILITY
Material Document And ClassificatiQQ-A-200 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250 FED SPEC SINGLE MATERIAL RESPONSE
Surface TreatmentANODIZE
Overall Height0.375 INCHES NOMINAL
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 90009A5089-1 available?
We can source 90009A5089-1 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 90009A5089-1 by Marine Corps Systems Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 90009A5089-1 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 90009A5089-1?
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 90009A5089-1?
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.