Abb Installation Products Inc. · Electronic Components
B457
Terminal, Lug
Part NumberB457
ManufacturerAbb Installation Products Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5940-00-230-0551 (NSN)
Federal Item NameTERMINAL,LUG
Federal Supply Class5940 — Lugs, Terminals, and Terminal Strips
Maximum Conductor Size Accommodate14 AWG
Overall Width0.234 INCHES
Nondefinitive Spec Std DataL-57 SHAPE AND 2-1/2 TO 4 SIZE AND WT TYPE
Conductor Accommodation TypeSTRAIGHT BARREL SINGLE END
MaterialCOPPER OVERALL
Distance From Mounting Hole Center0.117 INCHES
Mounting Tongue Width0.234 INCHES
Basic Shape StyleCRIMP
Electrical Insulation FeatureUNINSULATED
Surface TreatmentTIN OVERALL SINGLE LAYER
Material Thickness0.041 INCHES
Vendor Part NumbersYAV14L57
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 B457 available?
We can source B457 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 B457 by Abb Installation Products Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B457 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 B457?
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 B457?
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.