CAE USA · Electronic Components
81421
Resistor, Variable, Wire Wound, Pre
Part Number81421
ManufacturerCAE USA
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-545-8774 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,PRE
Federal Supply Class5905 — Resistors
Shaft Length1.000 INCHES NOMINAL
Mounting Lip Diameter3.0000 INCHES NOMINAL
Mounting MethodTHREADED HOLE(S)
Function Conformity Tolerance Per-0.10 TO 0.10 SINGLE SECTION
Features ProvidedNONMETALLIC SHAFT
Mounting Facility Quantity3
Effective Electrical Rotation In D320.0 NOMINAL
Maximum Starting Torque1.00 INCH-OUNCES
Screw Thread Quantity Per Inch32.0
Screw Thread Diameter0.138 INCHES NOMINAL
Actuator TypeSINGLE SHAFT
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 81421 available?
We can source 81421 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 81421 by CAE USA obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 81421 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 81421?
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 81421?
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.