DLA Weapons Support (Columbus) · Electronic Components
LO1055
Heat Sink, Electrical
Part NumberLO1055
ManufacturerDLA Weapons Support (Columbus)
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-00-197-3116 (NSN)
Federal Item NameHEAT SINK,ELECTRICAL-ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Overall Height1.250 INCHES NOMINAL
Reference Number Differentiating CREFERENCE NUMBER DIFFERENTIATING MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT ACTIVITY HX QUALITY C
Criticality Code JustificationZZZY
Unthreaded Mounting Hole Diameter0.196 INCHES NOMINAL FIRST MOUNTING FACILITY
Surface Treatment Document And ClaMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
Surface TreatmentANODIZE
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY
Overall Width3.000 INCHES NOMINAL
Overall Length4.750 INCHES NOMINAL
MaterialALUMINUM ALLOY
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 LO1055 available?
We can source LO1055 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 LO1055 by DLA Weapons Support (Columbus) obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LO1055 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 LO1055?
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 LO1055?
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.