DLA Weapons Support (Columbus) · Electronic Components
LO4719
Heat Sink, Electrical
Part NumberLO4719
ManufacturerDLA Weapons Support (Columbus)
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-445-9719 (NSN)
Federal Item NameHEAT SINK,ELECTRICAL-ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Overall Height0.935 INCHES NOMINAL
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S) SECOND MOUNTING FACILITY
MaterialALUMINUM ALLOY
Criticality Code JustificationZZZY
Surface TreatmentANODIZE
Unthreaded Mounting Hole Diameter0.202 INCHES MINIMUM AND 0.193 INCHES MAXIMUM FIRST MOUNTING FACILITY
Reference Number Differentiating CREFERENCE NUMBER DIFFERENTIATING MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT ACTIVITY HX QUALITY C
Surface Treatment Document And ClaMIL-A-8625, TY 2, CL 1 MIL SPEC SINGLE TREATMENT RESPONSE
Overall Length3.500 INCHES NOMINAL
Body StyleEXTRUDED
Overall Width1.938 INCHES NOMINAL
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 LO4719 available?
We can source LO4719 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 LO4719 by DLA Weapons Support (Columbus) obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LO4719 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 LO4719?
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 LO4719?
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.