MKC Electronics · Electronic Components
MK777-456
Meter, Electrical Frequency
Part NumberMK777-456
ManufacturerMKC Electronics
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-649-0961 (NSN)
Federal Item NameMETER,ELECTRICAL FREQUENCY
Federal Supply Class6625 — Test Instruments
Features ProvidedSELF-ILLUMINATION FACILITY
Circuit Attachment Method And Quan2 SOLDER STUD
Meter Body Diameter Behind Mountin2.680 INCHES NOMINAL
Meter Depth Behind Mounting Flange2.250 INCHES NOMINAL
Movement TypeVIBRATING REED
Mounting Facility Type And Quantit1 FLANGE
Measurement Range+360.0 TO 440.0 HERTZ SINGLE INDICATOR SINGLE RANGE
Style DesignatorROUND FLUSH MTG
Resonant Reed Quantity11
Installation DesignPANEL
Overall Diameter3.500 INCHES NOMINAL
Cancelled NSN6625-00-980-5489 (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 MK777-456 available?
We can source MK777-456 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 MK777-456 by MKC Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MK777-456 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 MK777-456?
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 MK777-456?
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.