Switchcraft Inc. · Electronic Components
493-01
Dummy Plug, Telephone
Part Number493-01
ManufacturerSwitchcraft Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-860-9551 (NSN)
Federal Item NameDUMMY PLUG,TELEPHONE
Federal Supply Class5935 — Connectors, Electrical
Overall Diameter0.406 INCHES NOMINAL
Body StyleSTRAIGHT W/O HANDLE
Identification Code ColorRED
Electrical Insulation FeatureINSULATED COMPLETELY
Finger Diameter0.250 INCHES NOMINAL SINGLE FINGER
MaterialPLASTIC BODY
Finger TypeTWO CONDUCTOR, UNNOTCHED TIP SINGLE FINGER
Finger Length1.218 INCHES NOMINAL SINGLE FINGER
Cable Entrance Diameter0.250 INCHES NOMINAL
Body Length0.906 INCHES NOMINAL
Overall Length1.843 INCHES NOMINAL
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 493-01 available?
We can source 493-01 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 493-01 by Switchcraft Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 493-01 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 493-01?
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 493-01?
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.