Ideal Precision Meter Co · Electronic Components
21-20S
Connector, Receptacle, Electrical
Part Number21-20S
ManufacturerIdeal Precision Meter Co
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-821-6128 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch40
Overall Length2.250 INCHES NOMINAL
Overall Height0.360 INCHES NOMINAL
Mating End Quantity1
Nominal Thread Size0.112 INCHES
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Contact Position Arrangement Style21 SINGLE MATING END
Connector Locking MethodFRICTION
Included Contact TypeROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Contact Maximum Current Rating In5.0 SINGLE MATING END SINGLE CONTACT GROUPING
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 21-20S available?
We can source 21-20S 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 21-20S by Ideal Precision Meter Co obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21-20S 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 21-20S?
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 21-20S?
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.