Boeing · Electronic Components
E4320
Indicator, Phase Sequence
Part NumberE4320
ManufacturerBoeing
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-581-2452 (NSN)
Federal Item NameINDICATOR,PHASE SEQUENCE
Federal Supply Class6625 — Test Instruments
Height4.000 INCHES NOMINAL
Frequency Rating400.0 HERTZ NOMINAL
Length4.000 INCHES NOMINAL
Width4.000 INCHES NOMINAL
Contact TypeWIRE LEAD W/CLIP
PhaseTHREE
Contact Quantity4
Cancelled NSN4920-00-610-7521 (cancelled)
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 E4320 available?
We can source E4320 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 E4320 by Boeing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If E4320 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 E4320?
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 E4320?
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.