Eaton Corp. Opns & Technical Center · Electronic Components
A21-448-3
Contact, Electrical
Part NumberA21-448-3
ManufacturerEaton Corp. Opns & Technical Center
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-00-500-6547 (NSN)
Federal Item NameCONTACT,ELECTRICAL
Federal Supply Class5999 — Miscellaneous Electrical Components
Mounting Facility Quantity1
Precious Material And Weight1.000 SILVER GRAINS, TROY
Precious MaterialSILVER
Nominal Thread Size0.138 INCHES
Mounting MethodTHREADED HOLE(S)
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
MaterialSILVER CONTACT
Vendor Part Numbers75400Z73GP5, 75400Z73PC44, 75400Z13DPC19, 253-62-01334GP5, 253-62-01334PC44, 253-62-01346PC19
ESD/EMICode A — ESD/EMI sensitive item
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 A21-448-3 available?
We can source A21-448-3 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 A21-448-3 by Eaton Corp. Opns & Technical Center obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A21-448-3 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 A21-448-3?
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 A21-448-3?
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.