Amphenol Corporation · Electronic Components
31-221
Connector, Receptacle, Electrical
Part Number31-221
ManufacturerAmphenol Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-486-6627 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Distance From Mounting Shoulder To0.484 INCHES NOMINAL
Included Contact Quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
Overall Length1.060 INCHES NOMINAL
Mating End Quantity1
Overall Diameter0.500 INCHES NOMINAL
Body StyleSTRAIGHT SHAPE, EXTERNAL COUPLING
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 31-221 available?
We can source 31-221 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 31-221 by Amphenol Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 31-221 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 31-221?
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 31-221?
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.