Lockheed Martin Corporation · Electronic Components
338598
Resistor, Variable, Wire Wound, Pre
Part Number338598
ManufacturerLockheed Martin Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-180-1145 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,PRE
Federal Supply Class5905 — Resistors
Shaft Diameter0.2498 INCHES MAXIMUM
Overall Diameter1.250 INCHES NOMINAL
Shaft Length0.750 INCHES NOMINAL
Shaft Radial Play0.003 INCHES
Actuator TypeSINGLE SHAFT
Screw Thread Series DesignatorUNEF
Shaft End Play0.003 INCHES
Screw Thread Diameter0.375 INCHES NOMINAL
Screw Thread Quantity Per Inch32.0
Effective Electrical Rotation In D350.0 NOMINAL
Bearing TypeSLEEVE SHAFT
Vendor Part Numbers290-6-502
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 338598 available?
We can source 338598 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 338598 by Lockheed Martin Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 338598 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 338598?
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 338598?
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.