● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Northrop Grumman Support Services  · Electronic Components

138C440H04

Ammeter — Test Instruments

Part Number138C440H04
ManufacturerNorthrop Grumman Support Services
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameAMMETER
Federal Supply Class6625 — Test Instruments
Installation DesignPANEL
Meter Body Diameter Behind Mountin2.050 INCHES NOMINAL
Furnished Items And QuantityNUT 5; LOCKWASHER 5; SEAL 1
Mounting Stud Diameter0.112 INCHES NOMINAL
Scale Graduation TypeLINEAR SINGLE INDICATOR ALL RANGES
Pointer ColorBLACK SINGLE INDICATOR ALL RANGES
Indicator TypeDIAL W/POINTER
Panel For Which DesignedMAGNETIC OR NONMAGNETIC
Environmental ProtectionAIRTIGHT AND DUST RESISTANT AND FUNGUS RESISTANT AND HEAT RESISTANT AND HUMIDITY RESISTANT AND VIBRATION RESISTANT AND W
Movement TypeMOVING COIL, PERMANENT MAGNET
Sensitivity Rating1.0 MILLIAMPERES
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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

Frequently asked

Is 138C440H04 available?
We can source 138C440H04 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 138C440H04 by Northrop Grumman Support Services obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 138C440H04 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 138C440H04?
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 138C440H04?
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.