Ametek · Electronic Components
518X4
Voltmeter — Test Instruments
Part Number518X4
ManufacturerAmetek
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-968-1729 (NSN)
Federal Item NameVOLTMETER
Federal Supply Class6625 — Test Instruments
Overall Height3.512 INCHES NOMINAL
Movement TypeMOVING COIL, PERMANENT MAGNET
Circuit Attachment Method And Quan2 THREADED STUD
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Mounting Stud Diameter0.138 INCHES NOMINAL
Mounting Bolt Circle Diameter3.116 INCHES NOMINAL
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Sensitivity Rating1000.0 OHMS PER VOLT
Scale Division Quantity60 SINGLE INDICATOR SINGLE RANGE
Accuracy In Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Vendor Part Numbers343-0004-001, 50-162011NLNL
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 518X4 available?
We can source 518X4 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 518X4 by Ametek obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 518X4 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 518X4?
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 518X4?
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.