Huntington Ingalls Inc. · Electronic Components
4055-278PC16
Contact, Electrical
Part Number4055-278PC16
ManufacturerHuntington Ingalls Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-028-6013 (NSN)
Federal Item NameCONTACT,ELECTRICAL
Federal Supply Class5999 — Miscellaneous Electrical Components
Mounting MethodSPRING TENSION
Pin Accommodation Diameter0.052 INCHES NOMINAL
Current Rating In Amps7.5
Cable Entrance Diameter0.086 INCHES NOMINAL
Overall Length0.720 INCHES NOMINAL
Overall Diameter0.120 INCHES NOMINAL
MaterialCOPPER ALLOY BODY
Surface TreatmentGOLD CONTACT
Precious Material And LocationEXTERNAL AND INTERNAL SURFACE GOLD
Terminal Type And Quantity1 CRIMP AXIALLY AT ONE END
Pin Accommodation Length0.275 INCHES NOMINAL
Vendor Part Numbers100-7110S
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 4055-278PC16 available?
We can source 4055-278PC16 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 4055-278PC16 by Huntington Ingalls Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4055-278PC16 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 4055-278PC16?
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 4055-278PC16?
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.