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Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · Electronic Components
RV4ATRK251A
Resistor, Variable, Nonwire Wound,
Part NumberRV4ATRK251A
ManufacturerJoint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-549-8743 (NSN)
Federal Item NameRESISTOR,VARIABLE,NONWIRE WOUND,
Federal Supply Class5905 — Resistors
Reliability IndicatorNOT ESTABLISHED
Resistance Tolerance Per Section I-10.0 TO 10.0 SINGLE SECTION
Power Dissipation Rating Per Secti2.0 FREE AIR SINGLE SECTION
Terminal Type And Quantity3 TAB, SOLDER LUG
Section Quantity1
Shaft Length2.500 INCHES NOMINAL
Device Design TypeERR-030 AT 9:00 OCLOCKUNABLE TO DECODE
Screw Thread Quantity Per Inch32.0
Mounting MethodSTANDARD BUSHING
Electrical Resistance Per Section250.000 OHMS SINGLE SECTION
Screw Thread Diameter0.375 INCHES NOMINAL
ESD/EMICode A — ESD/EMI sensitive item
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 RV4ATRK251A available?
We can source RV4ATRK251A 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 RV4ATRK251A by Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RV4ATRK251A 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 RV4ATRK251A?
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 RV4ATRK251A?
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.