Siemon · Electronic Components
S-66B4-25
Terminal Board
Part NumberS-66B4-25
ManufacturerSiemon
AvailabilityAvailable to order — request a quote
Specifications
NSN5940-00-159-7733 (NSN)
Federal Item NameTERMINAL BOARD
Federal Supply Class5940 — Lugs, Terminals, and Terminal Strips
Mounting Slot Length0.312 INCHES
Mounting Facility Type And Quantit6 SLOT
Board Overall Length2.812 INCHES
Distance From Bottom Edge Of Termi0.500 INCHES
Terminal Pattern ArrangementMULTI-ROW
Center To Center Distance Between12.750 INCHES
MaterialPLASTIC BOARD
Board ConstructionSOLID CONSTRUCTION
Nonfeedthru Terminal TypeF8 SINGLE
Mounting Slot Width0.188 INCHES
Board Overall Width13.375 INCHES
Vendor Part Numbers66B4-25, SE-66B4-25
Cancelled NSN5805-00-256-0303 (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 S-66B4-25 available?
We can source S-66B4-25 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 S-66B4-25 by Siemon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If S-66B4-25 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 S-66B4-25?
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 S-66B4-25?
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.