Lockheed Martin Corporation · Electronic Components
890874-1
Resistor, Variable, Wire Wound, Pre
Part Number890874-1
ManufacturerLockheed Martin Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-052-5254 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,PRE
Federal Supply Class5905 — Resistors
Ambient Temp In Deg Celsius Per Se85.0 SINGLE SECTION
Mounting MethodCLAMP RING(S)
Body Diameter1.438 INCHES NOMINAL
Pilot Diameter Runout0.001 INCHES
Shaft End Play0.002 INCHES
Shaft Radial Play0.001 INCHES
Maximum Starting Torque0.50 INCH-OUNCES
Lateral Runout0.002 INCHES
Effective Electrical Rotation In D330.0 NOMINAL
Shaft Runout0.001 INCHES
Maximum Running Torque0.40 INCH-OUNCES
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 890874-1 available?
We can source 890874-1 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 890874-1 by Lockheed Martin Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 890874-1 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 890874-1?
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 890874-1?
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.