Northrop Grumman Systems · Chemicals
137-99-3
Multimeter — Test Instruments
Part Number137-99-3
ManufacturerNorthrop Grumman Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-105-9999 (NSN)
Federal Item NameMULTIMETER
Federal Supply Class6625 — Test Instruments
Overall Length2.625 INCHES NOMINAL
Pointer ColorBLACK SINGLE INDICATOR ALL RANGES
Movement Suspension MethodJEWEL PIVOT BASE
Measurement Range+0.0 TO 15.0 KILOWATTS SINGLE INDICATOR FIRST RANGE
Mounting Facility Type And Quantit3 UNTHREADED HOLE(S)
Style DesignatorROUND FLUSH MTG
Overall Diameter3.510 INCHES NOMINAL
Dial Scale Marking ColorBLACK SINGLE INDICATOR ALL RANGES
Mounting Hole Diameter0.150 INCHES NOMINAL
Features ProvidedZERO ADJUSTER
Circuit Current For Which DesignedDC
Standard Pack Qty25
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 137-99-3 available?
We can source 137-99-3 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 137-99-3 by Northrop Grumman Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 137-99-3 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 137-99-3?
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 137-99-3?
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.