Switchcraft Inc. · Electronic Components
MT389
Jack, Telephone
Part NumberMT389
ManufacturerSwitchcraft Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-027-5148 (NSN)
Federal Item NameJACK,TELEPHONE
Federal Supply Class5935 — Connectors, Electrical
Mounting Hole Diameter0.156 INCHES NOMINAL
MaterialSTEATITE CONTACT
Bushing Thru Hole Accommodation Di0.438 INCHES NOMINAL
Mounting Bushing Diameter0.438 INCHES NOMINAL
Center To Center Distance Between0.562 INCHES NOMINAL
Mounting Facility Type And Quantit2 BUSHING
Finger Accommodation Diameter0.250 INCHES NOMINAL SINGLE FINGER
Jack Contact Arrangement DesignatoJ7-1C
Terminal TypeTAB, SOLDER LUG
Body StyleDUAL HOLE OR SLOT MOUNTED
Finger Accommodation Length1.016 INCHES NOMINAL SINGLE FINGER
Cancelled NSN5935-00-501-5821 (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 MT389 available?
We can source MT389 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 MT389 by Switchcraft Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MT389 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 MT389?
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 MT389?
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.