Rockwell Collins, Inc. · Electronic Components
PC78521-1
Contact, Electrical
Part NumberPC78521-1
ManufacturerRockwell Collins, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-00-371-9459 (NSN)
Federal Item NameCONTACT,ELECTRICAL
Federal Supply Class5999 — Miscellaneous Electrical Components
Terminal Type And Quantity1 CRIMP END OPPOSITE CONTACT
Surface TreatmentGOLD AND SILVER CONTACT
MaterialCOPPER ALLOY BODY
Style DesignatorSOCKET CONTACT
Pin Accommodation Diameter0.045 INCHES MINIMUM AND 0.051 INCHES MAXIMUM
Overall Diameter0.102 INCHES MINIMUM AND 0.118 INCHES MAXIMUM
Mounting MethodFORCE FIT
Overall Length0.563 INCHES NOMINAL
Cable Entrance Diameter0.040 INCHES NOMINAL
Pin Accommodation Length0.250 INCHES NOMINAL
Current Rating In Amps7.5
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 PC78521-1 available?
We can source PC78521-1 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 PC78521-1 by Rockwell Collins, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If PC78521-1 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 PC78521-1?
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 PC78521-1?
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.