Bourns Instruments · Electronic Components
3550S1-203
Resistor, Variable, Wire Wound, Non
Part Number3550S1-203
ManufacturerBourns Instruments
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-819-3014 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,NON
Federal Supply Class5905 — Resistors
Shaft Length0.375 INCHES NOMINAL
Mounting Lip Diameter0.87500 INCHES NOMINAL
Undercut Diameter0.781 INCHES NOMINAL
Maximum Starting Torque0.40 INCH-OUNCES
Terminal Type And Quantity3 TURRET
Maximum Running Torque0.30 INCH-OUNCES
Lateral Runout0.003 INCHES
Effective Electrical Rotation In D3600.0 NOMINAL
Actuator TypeSINGLE SHAFT
Shaft Radial Play0.002 INCHES
Mounting MethodCLAMP RING(S)
Vendor Part Numbers05D0630
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 3550S1-203 available?
We can source 3550S1-203 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 3550S1-203 by Bourns Instruments obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3550S1-203 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 3550S1-203?
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 3550S1-203?
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.