Winchester Interconnect · Electronic Components
12890-D-4.5
Terminal, Stud
Part Number12890-D-4.5
ManufacturerWinchester Interconnect
AvailabilityAvailable to order — request a quote
Specifications
NSN5940-01-144-9388 (NSN)
Federal Item NameTERMINAL,STUD
Federal Supply Class5940 — Lugs, Terminals, and Terminal Strips
Terminal Length0.280 INCHES
Overall Diameter0.125 INCHES
Surface Treatment Document And ClaMIL-C-14550 MIL SPEC 1ST TREATMENT RESPONSE OVERALL FIRST LAYER
Largest Diameter0.090 INCHES SINGLE END
MaterialCOPPER ALLOY 360 OVERALL
Material Document And ClassificatiQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Electrical Insulation FeatureUNINSULATED
Surface TreatmentTIN OVERALL SECOND LAYER
Conductor Accommodation TypeTRIPLE TURRET SINGLE END
Swage Depth0.060 INCHES
Swage Outside Diameter0.125 INCHES
Vendor Part NumbersSM-A-800537-4
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 12890-D-4.5 available?
We can source 12890-D-4.5 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 12890-D-4.5 by Winchester Interconnect obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 12890-D-4.5 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 12890-D-4.5?
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 12890-D-4.5?
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.