Lockheed Martin · Electronic Components
478280-1
Resistor, Variable, Wire Wound, Pre
Part Number478280-1
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-552-7221 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,PRE
Federal Supply Class5905 — Resistors
Shaft Length1.000 INCHES NOMINAL
Overall Diameter3.000 INCHES NOMINAL
Overall Length5.688 INCHES NOMINAL
Shaft Diameter0.250 INCHES NOMINAL
Maximum Stop Torque4.00 INCH-OUNCES
Effective Electrical Rotation In D3600.0 NOMINAL
Rotary Actuator Travel In Angular3600.0 NOMINAL
Bearing TypeBEARING SHAFT
Function Conformity Tolerance Per-0.02 TO 0.02 ALL SECTIONS
Lateral Runout0.002 INCHES
Pilot Diameter Runout0.00150 INCHES
Vendor Part Numbers7609-81-0
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 478280-1 available?
We can source 478280-1 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 478280-1 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 478280-1 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 478280-1?
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 478280-1?
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.