Switchcraft Inc. · Electronic Components
C12B
Jack, Telephone
Part NumberC12B
ManufacturerSwitchcraft Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-905-9122 (NSN)
Federal Item NameJACK,TELEPHONE
Federal Supply Class5935 — Connectors, Electrical
Thread Series DesignatorUNEF
MaterialCOPPER ALLOY BODY
Bushing Accommodation Hole ShapeROUND
Terminal TypeTAB, SOLDER LUG
Jack Contact Arrangement DesignatoJ2
Bushing Thru Hole Accommodation Di0.375 INCHES NOMINAL
Accommodated Finger TypeTHREE CONDUCTOR, SLENDER SPHERICAL TIP SINGLE FINGER
Thread Quantity Per Inch32
Surface TreatmentTIN TERMINAL
Finger Accommodation Length1.188 INCHES NOMINAL ALL FINGERS
Finger Accommodation Diameter0.250 INCHES NOMINAL ALL FINGERS
Cancelled NSN5935-00-921-0515 (cancelled)
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 C12B available?
We can source C12B 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 C12B by Switchcraft Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If C12B 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 C12B?
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 C12B?
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.