Spencer Industries Inc. · Electronic Components
168721-021
Connector, Receptacle, Electrical
Part Number168721-021
ManufacturerSpencer Industries Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-203-8166 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Precious Material And LocationCONTACT SURFACES GOLD
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Polarization MethodJACKSCREW
Precious Material And Weight0.010 GOLD GRAINS, TROY
Distance Between Mounting Facility1.250 INCHES NOMINAL
Threaded Device TypeCOUPLING FACILITY AND MOUNTING STUD
Terminal TypeCRIMP SINGLE MATING END FIRST CONTACT GROUPING
Included Contact Quantity2 SINGLE MATING END FIRST CONTACT GROUPING
Insert MaterialPLASTIC DIALLYL PHTHALATE SINGLE MATING END
Contact Position Arrangement Style20 20-20 SINGLE MATING END
Thread Quantity Per Inch32 AND 40
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 168721-021 available?
We can source 168721-021 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 168721-021 by Spencer Industries Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 168721-021 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 168721-021?
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 168721-021?
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.