Lta/D-Cemco · Electronic Components
521-C-4
Terminal, Stud
Part Number521-C-4
ManufacturerLta/D-Cemco
AvailabilityAvailable to order — request a quote
Specifications
NSN5940-01-290-9408 (NSN)
Federal Item NameTERMINAL,STUD
Federal Supply Class5940 — Lugs, Terminals, and Terminal Strips
Swage Outside Diameter0.073 INCHES
Electrical Insulation FeatureUNINSULATED
Minor Bushing Length0.115 INCHES
Conductor Accommodation TypeDOUBLE TURRET SINGLE END
Swage Depth0.093 INCHES
MaterialCOPPER ALLOY OVERALL
Material Document And ClassificatiQQ-B-626,1/2 HARD,COMP 360 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Largest Diameter0.050 INCHES SINGLE END
Overall Diameter0.095 INCHES
Turret Minor Diameter0.038 INCHES SINGLE END
Basic Shape StyleNONTUBULAR, ROUND
Vendor Part NumbersPI-71-196, 5727542-6, 16028C-4.5, 5727353-3, 722258-196
Cancelled NSN5940-01-308-6527 (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 521-C-4 available?
We can source 521-C-4 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 521-C-4 by Lta/D-Cemco obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 521-C-4 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 521-C-4?
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 521-C-4?
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.