MIL-SPEC · Electronic Components
UG-977C/U
Adapter, Connector
Part NumberUG-977C/U
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-059-3900 (NSN)
Federal Item NameADAPTER,CONNECTOR
Federal Supply Class5935 — Connectors, Electrical
Overall Length2.750 INCHES NOMINAL
Included Contact Quantity1 ALL MATING ENDS ALL CONTACT GROUPINGS
Mating End Quantity2
Insert MaterialPLASTIC ALL MATING ENDS
Included Contact TypeCOAXIAL SOCKET ALL MATING ENDS ALL CONTACT GROUPINGS
Shell MaterialCOPPER ALLOY
Contact RemovabilityNONREMOVABLE ALL MATING ENDS ALL CONTACT GROUPINGS
Environmental ProtectionSALT WATER RESISTANT AND WATERTIGHT
Connector Locking MethodSPRING FRICTION
Unthreaded Mounting Hole Diameter0.257 INCHES NOMINAL
Overall Diameter1.250 INCHES NOMINAL
Vendor Part NumbersTRU-1138
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 UG-977C/U available?
We can source UG-977C/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 UG-977C/U by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If UG-977C/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 UG-977C/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 UG-977C/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.