DLA Weapons Support (Columbus) · Electronic Components
LO4527
Heat Sink-Insulator
Part NumberLO4527
ManufacturerDLA Weapons Support (Columbus)
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-420-9733 (NSN)
Federal Item NameHEAT SINK-INSULATOR
Federal Supply Class5999 — Miscellaneous Electrical Components
MaterialFIBER
Unthreaded Mounting Hole Diameter2.000 INCHES NOMINAL THIRD MOUNTING FACILITY
Reference Number Differentiating CREFERENCE NUMBER DIFFERENTIATING MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT ACTIVITY HX QUALITY C
Criticality Code JustificationZZZY
Overall Height2.000 INCHES NOMINAL2.000 INCHES NOMINAL
Overall Length23.750 INCHES NOMINAL23.750 INCHES NOMINAL
Material Document And ClassificatiHH-I-358, FORM A, CLASS 1 FED SPEC SINGLE MATERIAL RESPONSE
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S) THIRD MOUNTING FACILITY
Overall Width20.090 INCHES NOMINAL20.090 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 LO4527 available?
We can source LO4527 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 LO4527 by DLA Weapons Support (Columbus) obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LO4527 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 LO4527?
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 LO4527?
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.