Eaton Corp. Opns & Technical Center · Electronic Components
21-387
Contact, Electrical
Part Number21-387
ManufacturerEaton Corp. Opns & Technical Center
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-00-421-2057 (NSN)
Federal Item NameCONTACT,ELECTRICAL
Federal Supply Class5999 — Miscellaneous Electrical Components
Precious MaterialSILVER
Surface TreatmentSILVER CONTACT
Current Rating In Amps10.0
Voltage Rating In Volts125.0 DC
Overall Height0.250 INCHES NOMINAL
Mounting Facility Quantity1
Overall Length2.500 INCHES NOMINAL
Overall Width0.125 INCHES NOMINAL
Mounting MethodUNTHREADED HOLE(S)
Precious Material And Weight1.105 SILVER GRAINS, TROY
Style DesignatorLEAF TAP CONTACT W/ ROUND FIXED POINT
Vendor Part Numbers81970W1ITEM55
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 21-387 available?
We can source 21-387 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 21-387 by Eaton Corp. Opns & Technical Center obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21-387 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 21-387?
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 21-387?
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.