Rockwell Collins · Electronic Components
381-1721-321
Resistor, Variable, Wire Wound, Non
Part Number381-1721-321
ManufacturerRockwell Collins
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-502-5029 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,NON
Federal Supply Class5905 — Resistors
Mounting Hole Diameter0.093 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Body StyleRECTANGULAR W/MOUNTING HOLES
Section Quantity1
Rotary Actuator Travel In Angular7200.0 MINIMUM AND 16200.0 MAXIMUM
Center To Center Distance Between0.100 INCHES NOMINAL
Mounting MethodUNTHREADED HOLE(S)
Electrical Resistance Per Section20.000 KILOHMS SINGLE SECTION
Power Dissipation Rating Per Secti0.75 FREE AIR SINGLE SECTION
Terminal LocationREAR END LOCATION NOT OTHERWISE SPECIFIED
Ambient Temp In Deg Celsius Per Se85.0 SINGLE SECTION
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 381-1721-321 available?
We can source 381-1721-321 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 381-1721-321 by Rockwell Collins obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 381-1721-321 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 381-1721-321?
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 381-1721-321?
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.