Switchcraft Inc. · Electronic Components
WTT89
Jack Assembly, Telephone
Part NumberWTT89
ManufacturerSwitchcraft Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-180-4189 (NSN)
Federal Item NameJACK ASSEMBLY,TELEPHONE
Federal Supply Class5935 — Connectors, Electrical
Shank Length0.780 INCHES NOMINAL
Jack Contact ArrangementJ124B
Jack Contact TypeSPRING LEAF
Jack Quantity2
Overall Height1.047 INCHES NOMINAL
Shank Diameter0.175 INCHES NOMINAL
Overall Width0.343 INCHES NOMINAL
Overall Length2.969 INCHES NOMINAL
Material TypeMETALLIC MOUNTING STRIP
Mounting Hole Size0.115 INCHES NOMINAL
Mounting Hole Quantity2
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 WTT89 available?
We can source WTT89 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 WTT89 by Switchcraft Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If WTT89 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 WTT89?
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 WTT89?
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.