Cmc Electronics Inc. · Electronic Components
3321-644
Terminal Board
Part Number3321-644
ManufacturerCmc Electronics Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5940-00-226-3373 (NSN)
Federal Item NameTERMINAL BOARD
Federal Supply Class5940 — Lugs, Terminals, and Terminal Strips
Board Overall Width0.562 INCHES
Center To Center Distance Between3.312 INCHES
Board Thickness0.062 INCHES
Material Document And ClassificatiMIL-P-997 MIL SPEC SINGLE MATERIAL RESPONSE BOARD
Terminal Row Quantity1
Precious MaterialSILVER
Board Overall Length3.688 INCHES
Surface TreatmentSILVER TERMINALS
Distance From Bottom Edge Of Termi0.188 INCHES
MaterialGLASS AND RESIN SILICONE BOARD
Mounting Hole Diameter0.144 INCHES
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 3321-644 available?
We can source 3321-644 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 3321-644 by Cmc Electronics Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3321-644 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 3321-644?
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 3321-644?
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.