Steego Corp. · Electronic Components
FT257
Terminal, Feedthru
Part NumberFT257
ManufacturerSteego Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5940-00-552-4685 (NSN)
Federal Item NameTERMINAL,FEEDTHRU
Federal Supply Class5940 — Lugs, Terminals, and Terminal Strips
First End Terminal Length0.210 INCHES
Minor Bushing Length0.125 INCHES
Minor Bushing Diameter0.185 INCHES
MaterialPLASTIC POLYTETRAFLUOROETHYLENE MOUNTING FACILITY
Overall Height0.531 INCHES0.531 INCHES
Electrical Insulation FeatureINSULATING MOUNTING BUSHING
Mounting Method StylePRESS FIT
Second End Terminal Length0.156 INCHES
Basic Shape StyleNONTUBULAR ROUND
Dry Flashover Voltage Rating In Vo3500.0
Major Bushing Length0.040 INCHES
Vendor Part Numbers1011A, 1252625-2, 011-2022-479, 1111-36-0519, 82-1507-101-P12
Cancelled NSN5940-00-837-2234 (cancelled)
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 FT257 available?
We can source FT257 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 FT257 by Steego Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If FT257 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 FT257?
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 FT257?
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.