Active Control Instrumentation Aci · Electronic Components
MODEL4331
Relay, Phase Sequenc
Part NumberMODEL4331
ManufacturerActive Control Instrumentation Aci
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-157-1690 (NSN)
Federal Item NameRELAY,PHASE SEQUENC
Federal Supply Class5945 — Relays and Solenoids
Vendor Part NumbersB4015113
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 MODEL4331 available?
We can source MODEL4331 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 MODEL4331 by Active Control Instrumentation Aci obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MODEL4331 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 MODEL4331?
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 MODEL4331?
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.