Espey Mfg and Electronics · Electronic Components
A158B
Monitor, Phase
Part NumberA158B
ManufacturerEspey Mfg and Electronics
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-01-544-1566 (NSN)
Federal Item NameMONITOR,PHASE
Federal Supply Class6625 — Test Instruments
Vendor Part Numbers90023 ITEM 2
ESD/EMICode A — ESD/EMI sensitive item
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 A158B available?
We can source A158B 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 A158B by Espey Mfg and Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A158B 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 A158B?
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 A158B?
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.