Ohmite Holding · Electronic Components
31873
Resistor, Variable, Wire Wound, Non
Part Number31873
ManufacturerOhmite Holding
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-549-3428 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,NON
Federal Supply Class5905 — Resistors
Body Diameter2.750 INCHES NOMINAL
Shaft Length0.875 INCHES NOMINAL
Resistance Tolerance Per Section I-10.0 TO 10.0 SINGLE SECTION
Shaft Diameter0.250 INCHES NOMINAL
Mounting Bushing Length0.375 INCHES NOMINAL
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
Ambient Temp In Deg Celsius Per Se40.0 SINGLE SECTION
Device Design TypeAT 3:00 OCLOCK AND AT 6:00 OCLOCK AND AT 9:00 OCLOCK AND AT 12:00 OCLOCK LOCATION NOT OTHERWISE SPECIFIED
Actuator Travel Control FeatureSTOPS
Terminal Type And Quantity2 SCREW
Power Dissipation Rating Per Secti50.0 FREE AIR SINGLE SECTION
Vendor Part Numbers31873A
ESD/EMICode B — ESD/EMI sensitive item
Point Height0.062 INCHES NOMINAL
Unthreaded Mounting Hole Diameter0.125 INCHES NOMINAL
Distance Between Mounting Facility0.500 INCHES NOMINAL AND 0.281 INCHES NOMINAL
Mounting MethodUNTHREADED HOLE(S)
Overall Length1.000 INCHES NOMINAL
Precious Material And Weight1.000 SILVER GRAINS, TROY
Style DesignatorLEAF TAP CONTACT W/ ROUND FIXED POINT
Precious Material And LocationCONTACT SILVER
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 31873 available?
We can source 31873 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 31873 by Ohmite Holding obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 31873 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 31873?
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 31873?
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.