MIL-SPEC · Electronic Components
40TB21
Terminal Board
Part Number40TB21
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5940-00-983-6081 (NSN)
Federal Item NameTERMINAL BOARD
Federal Supply Class5940 — Lugs, Terminals, and Terminal Strips
Mounting Hole Diameter0.171 INCHES
Center To Center Distance Between8.281 INCHES
Board Overall Width0.875 INCHES
Terminal Row Quantity2
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S)
Board Height Excluding Terminals0.484 INCHES
Base Thickness0.328 INCHES
Terminal Connecting Link Quantity21 SINGLE
Current Rating In Amps7.5
Terminal Pattern ArrangementSINGLE ROW
Feedthru Connection End TypeF4 SECOND END SINGLE COMBINATION BOARD
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 40TB21 available?
We can source 40TB21 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 40TB21 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 40TB21 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 40TB21?
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 40TB21?
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.