Amptec Research Corp. · Electronic Components
620A-4
Ohmmeter — Test Instruments
Part Number620A-4
ManufacturerAmptec Research Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-01-460-1499 (NSN)
Federal Item NameOHMMETER
Federal Supply Class6625 — Test Instruments
Measurement Range+20.0 TO 20000.0 OHMS SINGLE INDICATOR SINGLE RANGE
Style DesignatorRECTANGULAR OR SQUARE
Operating Voltage Rating In Volts4.8 DC NOMINAL
Furnished Items And Quantity120 VAC POWERED BATTERY CHARGER 1;OPERATOR/MAINTENANCE MANUAL 1; 4-WIRE KELVIN LEAD 1; N.I.S.T. TRACEABLE CLAIBRATION CE
Indicator TypeDIGITAL DISPLAY
Power SourceINTERNAL
Display TypeLIGHT EMITTING DIODE (L.E.D.).
Installation DesignBENCH
Circuit Current For Which DesignedDC
Circuit Attachment Method And Quan4 WIRE LEAD
Overall Width10.000 INCHES NOMINAL
Vendor Part NumbersALPHA4314KRC-1234
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 620A-4 available?
We can source 620A-4 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 620A-4 by Amptec Research Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 620A-4 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 620A-4?
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 620A-4?
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.