Amphenol · Electronic Components
31-242
RF Connectors STRT. CRIMP PLUG RG-179 187 B9221
Part Number31-242
ManufacturerAmphenol
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-001-8645 (NSN)
Federal Item NameCONNECTOR,PLUG,ELECTRICAL
Terminal TypeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
Overall Length1.203 INCHES NOMINAL
Overall Diameter0.562 INCHES NOMINAL
Body StyleSTRAIGHT SHAPE, INTERNAL COUPLING
Precious MaterialGOLD AND SILVER
Precious Material LocationCONTACT SURFACE GOLD AND CONTACT AND BODY SURFACES SILVER
Contact ArrangementBNC SINGLE MATING END
Included Contact Quantity1 SINGLE MATING END SINGLE CONTACT GROUPING
Mating End Quantity1
Cable Entrance Diameter0.115 INCHES NOMINAL
Federal Supply Class5935 — Connectors, Electrical
Contact Position Arrangement StyleBNC SINGLE MATING END
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Radio Frequency Type Contact Chara50.0 SINGLE MATING END SINGLE CONTACT GROUPING
Contact Surface TreatmentGOLD AND SILVER SINGLE MATING END SINGLE CONTACT GROUPING
Shell TypeSOLID
Shell MaterialCOPPER ALLOY
Terminal LocationBACK SINGLE MATING END SINGLE CONTACT GROUPING
Connector Cable Strain Relief MethCOMPRESSION NUT
Vendor Part Numbers1293, 5L4521-002-10, 77C716364P001, M39012/16-0220
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 31-242 available?
We can source 31-242 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 31-242 by Amphenol obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 31-242 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 31-242?
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 31-242?
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.