MIL-SPEC · Electronic Components
UG21AU
Connector, Plug, Electrical
Part NumberUG21AU
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-201-2321 (NSN)
Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Cable Entrance Diameter0.437 INCHES NOMINAL
Overall Diameter0.781 INCHES NOMINAL
Connector Locking MethodEXTERNALLY THREADED COUPLING NUT
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Length0.625 INCHES
Included Contact TypeCOAXIAL SOCKET SINGLE MATING END SINGLE CONTACT GROUPING
Radio Frequency Type Contact Chara50.0 SINGLE MATING END SINGLE CONTACT GROUPING
Shell Surface TreatmentANODIZE
Contact RemovabilityREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Thread Series DesignatorUNEF
Shell TypeSOLID
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 UG21AU available?
We can source UG21AU 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 UG21AU by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If UG21AU 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 UG21AU?
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 UG21AU?
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.