Lerco · Electronic Components
4020-F-1
Terminal, Feedthru
Part Number4020-F-1
ManufacturerLerco
AvailabilityAvailable to order — request a quote
Specifications
NSN5940-00-539-0349 (NSN)
Federal Item NameTERMINAL,FEEDTHRU
Federal Supply Class5940 — Lugs, Terminals, and Terminal Strips
Swage Outside Diameter0.181 INCHES
Mounting Method StyleSWAGE
Overall Diameter0.250 INCHES0.250 INCHES
Surface TreatmentSILVER OVERALL SINGLE LAYER
Electrical Insulation FeatureUNINSULATED
MaterialCOPPER ALLOY OVERALL
Minor Bushing Length0.234 INCHES
Swage Depth0.086 INCHES
Turret Minor Diameter0.062 INCHES ALL ENDS
Largest Diameter0.093 INCHES ALL ENDS
Conductor Accommodation TypeSINGLE TURRET ALL ENDS
Vendor Part Numbers10-507-6-01, 306-0203-00, 10-507-6
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 4020-F-1 available?
We can source 4020-F-1 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 4020-F-1 by Lerco obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4020-F-1 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 4020-F-1?
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 4020-F-1?
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.