Switchcraft Inc. · Electronic Components
12B
Jack, Telephone
Part Number12B
ManufacturerSwitchcraft Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-539-1192 (NSN)
Federal Item NameJACK,TELEPHONE
Federal Supply Class5935 — Connectors, Electrical
Surface TreatmentSILVER TERMINAL
MaterialSILVER CONTACT
Nominal Thread Size0.375 INCHES
Accommodated Finger TypeTHREE CONDUCTOR, SLENDER SPHERICAL TIP SINGLE FINGER
Terminal TypeTAB, SOLDER LUG
Mounting Facility Type And Quantit1 BUSHING
Electrical Insulation FeatureINSULATED FROM PANEL
Precious MaterialSILVER
Precious Material And LocationCONTACT,SPRING AND TERMINAL SURFACES SILVER
Bushing Accommodation Hole ShapeROUND
Thread Class2A
Vendor Part Numbers338, 2M018, 5168175, FT5168175, 377-010-019, 200387-0001
Cancelled NSN5935-00-539-0165 (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 12B available?
We can source 12B 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 12B by Switchcraft Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 12B 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 12B?
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 12B?
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.