Avo Intl · Electronic Components
4959
Meter, Electrical Frequency
Part Number4959
ManufacturerAvo Intl
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-669-0739 (NSN)
Federal Item NameMETER,ELECTRICAL FREQUENCY
Federal Supply Class6625 — Test Instruments
Style DesignatorROUND FLUSH MTG
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Mounting Bolt Circle Diameter3.060 INCHES NOMINAL
Overall Diameter3.500 INCHES NOMINAL
Register Quantity2
Movement TypeVIBRATING REED
Resonant Reed Quantity10
Circuit Attachment Method And Quan2 THREADED STUD
Measurement Range+48.0 TO 52.0 HERTZ SINGLE INDICATOR FIRST RANGE
Meter Depth Behind Mounting Flange3.062 INCHES NOMINAL
Installation DesignPANEL
Cancelled NSN6625-00-928-4564 (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 4959 available?
We can source 4959 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 4959 by Avo Intl obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4959 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 4959?
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 4959?
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.