PartsTable
Technical Data Sheet
20478A ✓ 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,NONWIRE WOUND,. Key specifications include body_style: RECTANGULAR, body_width: 0.880 INCHES MAXIMUM IN, body_height: 1.000 INCHES MAXIMUM IN, body_length: 8.025 INCHES NOMINAL IN, shaft_style: ROUND, SLOTTED, shaft_length: 0.500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-00-714-3816, 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 20478A
NSN: 5905-00-714-3816
FSC: 5905
CAGE: 10112 — GENERAL DYNAMICS MOTION CONTROL LLC (USA)
SPECIFICATIONS
body_styleRECTANGULAR
body_width0.880 INCHES MAXIMUM IN
body_height1.000 INCHES MAXIMUM IN
body_length8.025 INCHES NOMINAL IN
shaft_styleROUND, SLOTTED
shaft_length0.500 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
shaft_diameter0.125 INCHES NOMINAL IN
mounting_methodTERMINAL
fragility_factorMODERATELY DELICATE
section_quantity1
special_featuresN/H/A RADAR SET
NSN5905-00-714-3816
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN 20478A MFR RESISTOR,VARIABLE,NONW
KEY FEATURES
SECTION QUANTITY: 1
BODY HEIGHT: 1.000 INCHES MAXIMUM IN
EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION: 300.0 NOMINAL
TERMINAL TYPE AND QUANTITY: 3 TAB, SOLDER LUG
POWER DISSIPATION RATING PER SECTION IN WATTS: 0.5 FREE AIR SINGLE SECTION
RELIABILITY INDICATOR: NOT ESTABLISHED
ACTUATOR TRAVEL CONTROL FEATURE: STOPS
TECHNICAL CHARACTERISTICS (FLIS)
SECTION QUANTITY1
BODY HEIGHT1.000 INCHES MAXIMUM IN
EFFECTIVE ELECTRICAL ROTATION IN DEG ANGULAR ROTATION300.0 NOMINAL
SPECIAL FEATURESSHAFT HAS A FLEXIBLE SECTION,ALSO A WRENCH FLAT AND A RD SLOTTED END. MOUNTING HOLES ARE 0.194 IN DIA AND 7.150 IN C TO C IN
TERMINAL TYPE AND QUANTITY3 TAB, SOLDER LUG
POWER DISSIPATION RATING PER SECTION IN WATTS0.5 FREE AIR SINGLE SECTION
RELIABILITY INDICATORNOT ESTABLISHED
ACTUATOR TRAVEL CONTROL FEATURESTOPS
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER120.0 SINGLE SECTION
TERMINAL LOCATIONLONGITUDINALLY POSITIONED ON THE CIRCUMFERENCE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
8329765Interchangeable
interchangeable cross-reference
interchangeable
806952Interchangeable
interchangeable cross-reference
interchangeable
SM-A-615690Interchangeable
interchangeable cross-reference
interchangeable
1601Interchangeable
interchangeable cross-reference
interchangeable
43000209-000Interchangeable
interchangeable cross-reference
interchangeable
Q67000-H506Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20478A?
20478A is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace 20478A?
There are 9 known substitutes for 20478A: 8329765, 806952, SM-A-615690 and 6 more. Substitute compatibility should be verified for your specific system.
Is 20478A still available?
20478A is currently cancelled.
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