Phaostron Instrument and Electronic · Electronic Components
638-18049
Meter, Electrical Frequency
Part Number638-18049
ManufacturerPhaostron Instrument and Electronic
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-01-038-6869 (NSN)
Federal Item NameMETER,ELECTRICAL FREQUENCY
Federal Supply Class6625 — Test Instruments
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL
Mounting Facility Type And Quantit3 THREADED STUD(S)
Overall Diameter3.510 INCHES MAXIMUM
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Movement Suspension MethodJEWEL PIVOT BASE
Meter Body Diameter Behind Mountin2.800 INCHES MAXIMUM
Meter Depth Behind Mounting Flange2.450 INCHES MAXIMUM
Movement TypeMOVING COIL, PERMANENT MAGNET
PhaseSINGLE
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 638-18049 available?
We can source 638-18049 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 638-18049 by Phaostron Instrument and Electronic obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 638-18049 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 638-18049?
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 638-18049?
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.