Boeing · Electronic Components
940987-304
Resistor, Variable, Wire Wound, Pre
Part Number940987-304
ManufacturerBoeing
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-854-2551 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,PRE
Federal Supply Class5905 — Resistors
Shaft Diameter0.125 INCHES NOMINAL
Mounting Hole Stud Circle Diameter0.406 INCHES NOMINAL
Function Conformity Per SectionSINGLE SECTION INDEPENDENT LINEARITY
Resistance Tolerance Per Section I-5.0 TO 5.0 1ST SECTION AND -5.0 TO 5.0 2ND SECTION AND -5.0 TO 5.0 3RD SECTION
Terminal Type And Quantity9 SOLDER STUD
Function Conformity Tolerance Per-0.50 TO 0.50 1ST SECTION AND -0.20 TO 0.20 2ND SECTION AND -0.50 TO 0.50 3RD SECTION
Ambient Temp In Deg Celsius Per Se95.0 SINGLE SECTION
Power Dissipation Rating Per Secti0.5 FREE AIR SINGLE SECTION
Shaft Length0.493 INCHES NOMINAL
Overall Diameter1.080 INCHES NOMINAL
Actuator TypeSINGLE SHAFT
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 940987-304 available?
We can source 940987-304 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 940987-304 by Boeing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 940987-304 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 940987-304?
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 940987-304?
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.