L3Harris Technologies · Electronic Components
390878-1
Ammeter — Test Instruments
Part Number390878-1
ManufacturerL3Harris Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-451-3288 (NSN)
Federal Item NameAMMETER
Federal Supply Class6625 — Test Instruments
Features ProvidedZERO ADJUSTER
Meter Depth Behind Mounting Flange2.250 INCHES MAXIMUM
Mounting Bolt Circle Diameter2.220 INCHES NOMINAL
Indicator TypeDIAL W/POINTER
ColorUNABLE TO DECODE
Mounting Hole Diameter0.125 INCHES NOMINAL
Circuit Construction TypeNONELECTRONIC
Nuclear Hardness Critical FeatureNONHARDENED
Scale Division Quantity25 SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
Accuracy In Percent-3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
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 390878-1 available?
We can source 390878-1 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 390878-1 by L3Harris Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 390878-1 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 390878-1?
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 390878-1?
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.