Naval Sea Systems Command · Electronic Components
5190191
Heat Sink-Insulator
Part Number5190191
ManufacturerNaval Sea Systems Command
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-365-5445 (NSN)
Federal Item NameHEAT SINK-INSULATOR
Federal Supply Class5999 — Miscellaneous Electrical Components
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY
Material Document And ClassificatiMIL-I-631,TYPE G,FORM S,CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE
MaterialPLASTIC POLYETHYLENE TEREPHTHALATE (PET)(POLYESTER)
Unthreaded Mounting Hole Diameter0.127 INCHES MINIMUM AND 0.134 INCHES MAXIMUM SECOND MOUNTING FACILITY
Overall Width1.030 INCHES NOMINAL1.030 INCHES NOMINAL
Overall Length1.050 INCHES NOMINAL1.050 INCHES NOMINAL
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 5190191 available?
We can source 5190191 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 5190191 by Naval Sea Systems Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 5190191 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 5190191?
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 5190191?
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.