MIL-SPEC · Electronic Components
UG309/U
Adapter, Connector
Part NumberUG309/U
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-149-3535 (NSN)
Federal Item NameADAPTER,CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Overall Diameter0.840 INCHES NOMINAL
Radio Frequency Type Contact Chara50.0 ALL MATING ENDS ALL CONTACT GROUPINGS
Insert MaterialPLASTIC TETRAFLUOROETHYLENE ALL MATING ENDS
Contact Maximum Dc Voltage Rating500.0 ALL MATING ENDS ALL CONTACT GROUPINGS
Contact Surface TreatmentSILVER ALL MATING ENDS ALL CONTACT GROUPINGS
Test Data Document81349-MIL-C-71 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA
Shell Material Document And ClassiQQ-B-613,COMP 1 FED SPEC SINGLE MATERIAL RESPONSE
Included Contact TypeCOAXIAL PIN FIRST MATING END ALL CONTACT GROUPINGS
Connector Locking MethodINTERNALLY THREADED COUPLING NUT AND BAYONET SHELL
Included Contact Quantity1 SECOND MATING END ALL CONTACT GROUPINGS
Nominal Thread Size0.750 INCHES
Cancelled NSN5935-00-321-4847 (cancelled)
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 UG309/U available?
We can source UG309/U 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 UG309/U by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If UG309/U 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 UG309/U?
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 UG309/U?
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.