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Technical Data Sheet
PartsTable / MRO / SA1790
SA1790 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include body_style: CYLINDRICAL SERVO MOUNTED, duty_cycle: CONTINUOUS, body_length: 2.188 INCHES NOMINAL IN, shaft_style: ROUND, SLOTTED, temp_rating: 40.0 AMBIENT CELSIUS, bearing_type: BALL SHAFT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6125-00-242-6004, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ SA1790
NSN: 6125-00-242-6004
FSC: 6125
CAGE: 71468 — ITT CANNON LLC (USA)
SPECIFICATIONS
body_styleCYLINDRICAL SERVO MOUNTED
duty_cycleCONTINUOUS
body_length2.188 INCHES NOMINAL IN
shaft_styleROUND, SLOTTED
temp_rating40.0 AMBIENT CELSIUS
bearing_typeBALL SHAFT
pilot_length0.0620 INCHES NOMINAL IN
shaft_length0.812 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
body_diameter1.812 INCHES NOMINAL IN
overall_width3.500 INCHES IN
overall_height3.906 INCHES IN
NSN6125-00-242-6004
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,PRE TITLE COMPONENT PN SA1790 MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
•
DUTY CYCLE: CONTINUOUS
•
CURRENT RATING IN AMPS: 3.800 SINGLE INPUT
•
ROTOR SPEED RATING IN RPM: 4400.0 SINGLE NO LOAD
•
NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 3.000 INCHES IN
•
MOUNTING METHOD: FIXED BASE
TECHNICAL CHARACTERISTICS (FLIS)
DUTY CYCLECONTINUOUS
CURRENT RATING IN AMPS3.800 SINGLE INPUT
OVERALL WIDTH3.500 INCHES IN
CURRENT RATING IN AMPS0.100 SINGLE OUTPUT
ROTOR SPEED RATING IN RPM4400.0 SINGLE NO LOAD
NOMINAL CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH3.000 INCHES IN
MOUNTING METHODFIXED BASE
OVERALL LENGTH5.625 INCHES IN
CONNECTION TYPE AND VOLTAGE RATING IN VOLTS220.0 LINE TO NEUTRAL SINGLE OUTPUT
CURRENT RATING METHODNO LOAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
55400-5900-871121ALT4PC4Interchangeable
interchangeable cross-reference
interchangeable
74SXInterchangeable
interchangeable cross-reference
interchangeable
SK5161-NInterchangeable
interchangeable cross-reference
interchangeable
7629-13-0Interchangeable
interchangeable cross-reference
interchangeable
1486913PC1Interchangeable
interchangeable cross-reference
interchangeable
SA1790Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SA1790?
SA1790 is a RESISTOR,VARIABLE,WIRE WOUND,PRE. It is classified as a MRO (MRO_GENERAL).
What parts can replace SA1790?
There are 8 known substitutes for SA1790: 55400-5900-871121ALT4PC4, 74SX, SK5161-N and 5 more. Substitute compatibility should be verified for your specific system.
Is SA1790 still available?
SA1790 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026