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Catalog / Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M / RA20A2SD103AK
Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · Electronic Components
RA20A2SD103AK
Resistor, Variable, Wire Wound, Non
Part NumberRA20A2SD103AK
ManufacturerJoint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-158-5731 (NSN)
Federal Item NameRESISTOR,VARIABLE,WIRE WOUND,NON
Federal Supply Class5905 — Resistors
Shaft StyleROUND, SLOTTED
Body Diameter1.280 INCHES NOMINAL
Shaft Diameter0.250 INCHES NOMINAL
Resistance Tolerance Per Section I-10.0 TO 10.0 SINGLE SECTION
Device Design TypeAT 9:00 OCLOCK LOCATION NOT OTHERWISE SPECIFIED
Power Dissipation Rating Per Secti2.0 FREE AIR SINGLE SECTION
Actuator TypeSINGLE SHAFT
Mounting Bushing Length0.375 INCHES NOMINAL
Test Data Document81349-MIL-R-19 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA
Shaft Length0.875 INCHES NOMINAL
Terminal Type And Quantity3 TAB, SOLDER LUG
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 RA20A2SD103AK available?
We can source RA20A2SD103AK 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 RA20A2SD103AK 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 RA20A2SD103AK 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 RA20A2SD103AK?
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 RA20A2SD103AK?
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.