Lockheed Martin Librascope · Electronic Components
L535990057
Electronic Module, Standardized
Part NumberL535990057
ManufacturerLockheed Martin Librascope
AvailabilityAvailable to order — request a quote
Specifications
NSN5963-01-214-8625 (NSN)
Federal Item NameELECTRONIC MODULE,STANDARDIZED
Federal Supply Class5963 — Electronic Modules
Signal Data Type Per Channel1ST INPUT CHANNEL DISCRETE VOLTAGE AND 2ND INPUT CHANNEL DISCRETE VOLTAGE
Overall Height1.950 INCHES NOMINAL
Special MarkingsMEMORY,NON-VOLATILE
Test Data Document53711-L535990057 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACT
Signal Voltage Rating Per Channel-28.000 VOLTS MINIMUM INPUT AND 5.000 VOLTS MINIMUM INPUT
Type Model DesignationFQL
External Dc Operating Voltage In V-28.0 NOMINAL 1ST VOLTAGE AND 5.0 NOMINAL 2ND VOLTAGE
Average Life MeasurementHOURS
Overall Length2.620 INCHES NOMINAL
Circuit Construction TypeSOLID STATE
Operating Temp Range+0.0 TO 60.0 CELSIUS
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 L535990057 available?
We can source L535990057 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 L535990057 by Lockheed Martin Librascope obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If L535990057 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 L535990057?
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 L535990057?
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.