Switchcraft Inc. · Electronic Components
TB4M
Connector, Receptacle, Electrical
Part NumberTB4M
ManufacturerSwitchcraft Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-01-336-5393 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Included Contact Quantity4 SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Nominal Thread Size0.438 INCHES
Shell Surface TreatmentNICKEL
Connector Locking MethodFRICTION
Terminal TypeSOLDER WELL SINGLE MATING END SINGLE CONTACT GROUPING
Thread Series DesignatorUNEF
Insert MaterialPLASTIC SINGLE MATING END
Polarization MethodCONTACT
Threaded Device TypeMOUNTING BUSHING
Vendor Part Numbers145-142
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 TB4M available?
We can source TB4M 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 TB4M by Switchcraft Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If TB4M 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 TB4M?
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 TB4M?
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.