Amphenol · Electronic Components
21-033388-021
Contact, Electrical
Part Number21-033388-021
ManufacturerAmphenol
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-646-9416 (NSN)
Federal Item NameCONTACT,ELECTRICAL
Federal Supply Class5999 — Miscellaneous Electrical Components
Mounting Facility Quantity1
Style DesignatorSOCKET CONTACT
MaterialCOPPER ALLOY BODY
Overall Diameter0.313 INCHES MINIMUM AND 0.316 INCHES MAXIMUM
Overall Length1.468 INCHES MINIMUM AND 1.474 INCHES MAXIMUM
Mounting MethodFORCE FIT
Terminal Type And Quantity1 CRIMP END OPPOSITE CONTACT
Precious Material And LocationCONTACT PLATING GOLD
Surface TreatmentGOLD AND NICKEL BODY AND CONTACT
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 21-033388-021 available?
We can source 21-033388-021 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 21-033388-021 by Amphenol obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21-033388-021 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 21-033388-021?
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 21-033388-021?
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.