Northrop Grumman Systems Corporation · Electronic Components
88B643
Terminal Board
Part Number88B643
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5940-00-227-8284 (NSN)
Federal Item NameTERMINAL BOARD
Federal Supply Class5940 — Lugs, Terminals, and Terminal Strips
Mounting Facility Thread Series DeUNIFIED NATIONAL COARSE (UNC)
Terminal Row Quantity2
Board Overall Length2.625 INCHES
Distance From Bottom Edge Of Termi0.281 INCHES
Mounting Facility Type And Quantit4 THREADED INSERT
Distance From Left Edge Of Termina0.219 INCHES
Center To Center Distance Between0.375 INCHES
Nonfeedthru Terminal Quantity14 SINGLE
Body StyleSTRIP TYPE
Terminal DesignNONFEEDTHRU
Board Overall Width1.875 INCHES
Vendor Part NumbersSCB83874
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 88B643 available?
We can source 88B643 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 88B643 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 88B643 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 88B643?
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 88B643?
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.