Electro Scientific Industries · Electronic Components
4643
Post, Binding, Electrical
Part Number4643
ManufacturerElectro Scientific Industries
AvailabilityAvailable to order — request a quote
Specifications
NSN5940-00-790-0495 (NSN)
Federal Item NamePOST,BINDING,ELECTRICAL
Federal Supply Class5940 — Lugs, Terminals, and Terminal Strips
Body Width0.910 INCHES NOMINAL
Inclosure TypeFULLY INCLOSED
Maximum Voltage Rating In Volts277.0 AC
ColorBROWN SINGLE ACTUATOR
Contact Load Current Rating At Max15.000 AMPERES RESISTIVE AC
Body Height1.030 INCHES NOMINAL
Mounting MethodPANEL
Actuator StyleRECTANGULAR
Body Length1.700 INCHES NOMINAL
Actuator Position Action RelationsUP POSITION MAINTAINED AND DOWN POSITION MAINTAINED AND CENTER POSITION MAINTAINED
Body StylePANEL MOUNT
Cancelled NSN5930-00-793-5407 (cancelled)
Vendor Part Numbers4643A
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 4643 available?
We can source 4643 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 4643 by Electro Scientific Industries obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4643 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 4643?
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 4643?
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.