Lockheed Martin · Electronic Components
740399-1
Resistor, Variable, Nonwire Wound,
Part Number740399-1
ManufacturerLockheed Martin
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-581-4056 (NSN)
Federal Item NameRESISTOR,VARIABLE,NONWIRE WOUND,
Federal Supply Class5905 — Resistors
Mounting Bushing Length0.375 INCHES NOMINAL
Body Length1.906 INCHES MAXIMUM
Rotary Actuator Travel In Angular320.0 NOMINAL
Shaft Diameter0.250 INCHES NOMINAL
Ambient Temp In Deg Celsius Per Se85.0 ALL SECTIONS
Device Design TypeERR-030 AT 9:00 OCLOCKUNABLE TO DECODE
Resistance Tolerance Per Section I-20.0 TO 20.0 ALL SECTIONS
Power Dissipation Rating Per Secti2.0 FREE AIR ALL SECTIONS
Electrical Resistance Per Section500.0 KILOHMS 1ST SECTION AND 5.0 KILOHMS 2ND SECTION AND 75.0 KILOHMS 3RD SECTION
Nonturn Device Radius0.531 INCHES NOMINAL
Screw Thread Diameter0.375 INCHES NOMINAL
Vendor Part NumbersJJJ-500KOHM-5KOHM-75KOHM
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 740399-1 available?
We can source 740399-1 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 740399-1 by Lockheed Martin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 740399-1 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 740399-1?
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 740399-1?
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.