Shiloh Industries · Electronic Components
SI-9781
Relay Assembly
Part NumberSI-9781
ManufacturerShiloh Industries
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-258-3297 (NSN)
Federal Item NameRELAY ASSEMBLY
Federal Supply Class5945 — Relays and Solenoids
Surface TreatmentTIN MOUNTING
Controlling AgencyELECTRO SWITCH AND CONTROLS INC
Mounting Configuration2 MTG HOLES 0.2187 IN. DIA SPACED ON 4-3/8 IN. MTG CENTERS
Identifying NumberRB8 TYPE NO.
Individual Relay Quantity2
Usage DesignFUNCTIONS AS AN AC DC INTERLOCK RELAY
Overall Height2.500 INCHES NOMINAL
Relay TypeARMATURE
Overall Width2.625 INCHES NOMINAL
Mounting FacilityCONTAINER
Overall Length4.875 INCHES NOMINAL
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 SI-9781 available?
We can source SI-9781 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 SI-9781 by Shiloh Industries obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SI-9781 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 SI-9781?
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 SI-9781?
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.