Phaostron Instrument And Electronic Company · Electronic Components
643-E281
Meter, Multiple Scale
Part Number643-E281
ManufacturerPhaostron Instrument And Electronic Company
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-01-258-4117 (NSN)
Federal Item NameMETER,MULTIPLE SCALE
Federal Supply Class6625 — Test Instruments
Overall Diameter4.500 INCHES NOMINAL
Installation DesignPANEL
Mounting Hole Diameter0.143 INCHES MINIMUM AND 0.157 INCHES MAXIMUM
Mounting Facility Type And Quantit6 UNTHREADED HOLE(S)
Measurement Range-45.0 TO 45.0 DEGREES FIRST INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK FIRST INDICATOR SINGLE RANGE
Features ProvidedZERO ADJUSTER
Style DesignatorROUND FLUSH MTG
Movement Suspension MethodJEWEL PIVOT BASE
Indicator TypeDIAL W/POINTER
Mounting Bolt Circle Diameter4.124 INCHES NOMINAL
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 643-E281 available?
We can source 643-E281 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 643-E281 by Phaostron Instrument And Electronic Company obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 643-E281 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 643-E281?
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 643-E281?
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.