Honeywell Intl Inc. Defense Avionics Systems · Electronic Components
1890993-1
Resistor, Variable, Wire Wound, Pre
Part Number1890993-1
ManufacturerHoneywell Intl Inc. Defense Avionics Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-122-2436 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,PRE
Federal Supply Class5905 — Resistors
Shaft Diameter0.1244 INCHES MINIMUM AND 0.1247 INCHES MAXIMUM
Shaft StyleROUND, SLOTTED
Temp Coefficient Of Resistance Per-20.0 TO 20.0 SINGLE SECTION
Switch Current Type And Rating In1.000 DC
Bearing TypeBEARING SHAFT
Function Conformity Per SectionSINGLE SECTION ABSOLUTE LINEARITY
Operating PositionSTART OF ROTATION SWITCH
Ambient Temp In Deg Celsius Per Se40.0 SINGLE SECTION
Resistance Tolerance Per Section I-5.0 TO 5.0 SINGLE SECTION
Electrical Resistance Per Section20.0 KILOHMS SINGLE SECTION
Power Dissipation Rating Per Secti0.5 FREE AIR SINGLE SECTION
Vendor Part NumbersA289
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 1890993-1 available?
We can source 1890993-1 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 1890993-1 by Honeywell Intl Inc. Defense Avionics Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1890993-1 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 1890993-1?
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 1890993-1?
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.