MIL-SPEC · Electronic Components
SA389SQ
Switch Assembly
Part NumberSA389SQ
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-686-3224 (NSN)
Federal Item NameSWITCH ASSEMBLY
Federal Supply Class5930 — Switches
Inclosure TypeFULLY INCLOSED
Inclosure MaterialALUMINUM
Individual Switch Quantity2
Identifying NumberJR MOD FSN 5930-258-5250 TYPE NO. AND JR MOD FSN 5930-258-5220 TYPE NO.
Mounting ConfigurationFOUR MTG HOLES 7/16 IN. DIA SPACED 9-1/2 IN. BY 13-1/2 IN. MTG CENTERS
Switch TypeROTARY
Overall Width15.250 INCHES NOMINAL
Environmental ProtectionWATERTIGHT
Mounting MethodFLANGE
Overall Length12.000 INCHES NOMINAL
Overall Height22.375 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 SA389SQ available?
We can source SA389SQ 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 SA389SQ by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SA389SQ 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 SA389SQ?
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 SA389SQ?
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.