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Navair And Navsea Managed Original Design Activity Dwg Not Material/Parts Supplier · Electronic Components
1440257
Resistor, Variable, Wire Wound, Pre
Part Number1440257
ManufacturerNavair And Navsea Managed Original Design Activity Dwg Not Material/Parts Supplier
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-651-1681 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,PRE
Federal Supply Class5905 — Resistors
Shaft StyleROUND
Mounting Lip Diameter1.7500 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Actuator TypeDOUBLE ENDED SHAFT
Shaft Diameter0.250 INCHES NOMINAL
Undercut Width1.5620 INCHES MAXIMUM
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
Power Dissipation Rating Per Secti3.0 FREE AIR SINGLE SECTION
Ambient Temp In Deg Celsius Per Se40.0 SINGLE SECTION
Function Characteristic Per SectioSINGLE SECTION LINEAR
Function Conformity Per SectionSINGLE SECTION INDEPENDENT LINEARITY
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 1440257 available?
We can source 1440257 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 1440257 by Navair And Navsea Managed Original Design Activity Dwg Not Material/Parts Supplier obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1440257 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 1440257?
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 1440257?
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.