Amphenol Canada · Electronic Components
491-101
Connector, Receptacle, Electrical
Part Number491-101
ManufacturerAmphenol Canada
AvailabilityAvailable to order — request a quote
Specifications
NSN5935-00-498-5642 (NSN)
Federal Item NameCONNECTOR,RECEPTACLE,ELECTRICAL
Federal Supply Class5935 — Connectors, Electrical
Environmental ProtectionMOISTURE RESISTANT AND SALT WATER RESISTANT AND SHOCK PROOF AND THERMAL SHOCK RESISTANT AND VIBRATION RESISTANT
Overall Length1.500 INCHES NOMINAL
Overall Height0.556 INCHES NOMINAL
Contact Maximum Ac Voltage Rating200.0 SINGLE MATING END SINGLE CONTACT GROUPING
Contact MaterialCOPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING
Test Data Document13499-370-0017-010 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFA
Contact Surface TreatmentGOLD AND SILVER SINGLE MATING END SINGLE CONTACT GROUPING
Included Contact TypeROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING
Contact RemovabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
Contact Maximum Current Rating In3.0 SINGLE MATING END SINGLE CONTACT GROUPING
Unthreaded Mounting Hole Diameter0.136 INCHES NOMINAL
Vendor Part Numbers370-0017-010
Cancelled NSN5935-01-069-3001 (cancelled)
ESD/EMICode A — ESD/EMI sensitive item
Cable Entrance Diameter0.156 INCHES NOMINAL
Identification Code ColorWHITE
Surface TreatmentNICKEL TERMINAL
Terminal TypeSOLDER WELL
Finger TypeTEST PROD SINGLE FINGER
MaterialCOPPER ALLOY FINGER
Finger Diameter0.080 INCHES NOMINAL SINGLE FINGER
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 491-101 available?
We can source 491-101 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 491-101 by Amphenol Canada obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 491-101 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 491-101?
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 491-101?
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.