Naval Ship Systems Command · Electronic Components
LM18
Meter, Electrical Frequency
Part NumberLM18
ManufacturerNaval Ship Systems Command
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-635-4262 (NSN)
Federal Item NameMETER,ELECTRICAL FREQUENCY
Federal Supply Class6625 — Test Instruments
Measurement Range+0.125 TO 2.000 MEGAHERTZ SINGLE INDICATOR FIRST RANGE
Frequency Response Range+0.125 TO 20.000 MEGAHERTZ
Installation DesignBENCH
MaterialALUMINUM
Accuracy RatingPORM 0.02 PCT; PORM 0.01 PCT SINGLE INDICATOR SINGLE RANGE
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
Circuit Current For Which DesignedAC
Furnished Items And QuantityBOOK CALIBRATION 1; BOOKS,INSTRUCTION 2; CABLE,INTERCONNECTING 1; CABLE,POWER 1
Features ProvidedINTERNAL FREQUENCY CALIBRATING CRYSTAL
Operating Voltage Rating In Volts100.0 AC MINIMUM AND 130.0 AC MAXIMUM
PhaseSINGLE
Cancelled NSN5805-00-532-7147 (cancelled)
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 LM18 available?
We can source LM18 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 LM18 by Naval Ship Systems Command obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LM18 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 LM18?
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 LM18?
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.