Filnor Inc. · Electronic Components
A-1109
Switch, Knife
Part NumberA-1109
ManufacturerFilnor Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-384-1809 (NSN)
Federal Item NameSWITCH,KNIFE
Federal Supply Class5930 — Switches
Contact Load Current Rating At Max400.000 AMPERES RESISTIVE DC AND 400.000 AMPERES RESISTIVE AC
Maximum Voltage Rating In Volts250.0 DC AND 480.0 AC
Body Length13.500 INCHES NOMINAL
Nonpile Up Contact Arrangement2 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
Body Width7.000 INCHES NOMINAL
Body StyleHOLE MOUNTED
Vendor Part Numbers1109 DWG 5741
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 A-1109 available?
We can source A-1109 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 A-1109 by Filnor Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A-1109 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 A-1109?
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 A-1109?
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.