Hoyt Electrical Instrument Works, Inc. · Electronic Components
B4740
Voltmeter — Test Instruments
Part NumberB4740
ManufacturerHoyt Electrical Instrument Works, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-903-7850 (NSN)
Federal Item NameVOLTMETER
Federal Supply Class6625 — Test Instruments
Measurement Range+0.0 TO 160.0 MILLIVOLTS, DC SINGLE INDICATOR SINGLE RANGE
Center To Center Distance Between1.875 INCHES NOMINAL
Circuit Current For Which DesignedDC
Mounting Facility Type And Quantit4 THREADED STUD(S)
Mounting Stud Diameter0.112 INCHES NOMINAL
Circuit Attachment Method And Quan2 THREADED STUD
ColorUNABLE TO DECODE
Furnished Items And QuantityMULTIPLIER,EXTERNAL 1
Style DesignatorRECTANGULAR FLUSH MTG
Meter Depth Behind Mounting Flange1.125 INCHES NOMINAL
MaterialPLASTIC
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 B4740 available?
We can source B4740 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 B4740 by Hoyt Electrical Instrument Works, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B4740 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 B4740?
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 B4740?
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.