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91AR50K-78A — RESISTOR,VARIABLE,NONWIRE WOUND,

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

91AR50K-78A: RESISTOR,VARIABLE,NONWIRE WOUND,.

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include body_style: CYLINDRICAL, body_length: 0.210 INCHES MAXIMUM IN, actuator_type: FLUSH DRIVE WITH SLOT-HOLE, body_diameter: 0.375 INCHES MAXIMUM IN, overall_length: 0.378 INCHES MINIMUM IN, mounting_method: TERMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5905-01-112-0817, 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→ 91AR50K-78A
NSN: 5905-01-112-0817
FSC: 5905 — Resistor
CAGE: 73138 — BI TECHNOLOGIES CORPORATION DIV BI TECHNOLOGIES CORP. (USA)
SPECIFICATIONS
body_styleCYLINDRICAL
body_length0.210 INCHES MAXIMUM IN
actuator_typeFLUSH DRIVE WITH SLOT-HOLE
body_diameter0.375 INCHES MAXIMUM IN
overall_length0.378 INCHES MINIMUM IN
mounting_methodTERMINAL
terminal_length0.188 INCHES MINIMUM IN
section_quantity1
features_providedHUMIDITY PROOF
terminal_locationREAR END
reliability_indicatorNOT ESTABLISHED
maximum_running_torque5.00 INCH-OUNCES IN
NSN5905-01-112-0817
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN 91AR50K-78A MFR RESISTOR,VARIABLE,NONW
KEY FEATURES
•
MAXIMUM RUNNING TORQUE: 5.00 INCH-OUNCES IN
•
BODY DIAMETER: 0.375 INCHES MAXIMUM IN
•
ELECTRICAL RESISTANCE PER SECTION: 50.0 KILOHMS SINGLE SECTION
•
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER: 125.0 SINGLE SECTION
•
SECTION QUANTITY: 1
•
BODY STYLE: CYLINDRICAL
•
TERMINAL LENGTH: 0.188 INCHES MINIMUM IN
•
MOUNTING METHOD: TERMINAL
TECHNICAL CHARACTERISTICS
MAXIMUM RUNNING TORQUE5.00 INCH-OUNCES IN
BODY DIAMETER0.375 INCHES MAXIMUM IN
ELECTRICAL RESISTANCE PER SECTION50.0 KILOHMS SINGLE SECTION
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER125.0 SINGLE SECTION
SECTION QUANTITY1
BODY STYLECYLINDRICAL
TERMINAL LENGTH0.188 INCHES MINIMUM IN
MOUNTING METHODTERMINAL
MAXIMUM STARTING TORQUE5.00 INCH-OUNCES IN
OVERALL LENGTH0.378 INCHES MINIMUM IN
SUBSTITUTES & CROSS-REFERENCES 3
375T503BReference document
Same NSN cross-reference
Reference document — Secondary reference
91-78-0Reference document
Same NSN cross-reference
Reference document — Secondary reference
3352T-1-503Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91AR50K-78A?
91AR50K-78A is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace 91AR50K-78A?
There are 3 known substitutes for 91AR50K-78A: 375T503B, 91-78-0, 3352T-1-503. Substitute compatibility should be verified for your specific system.
What is the NSN for 91AR50K-78A?
91AR50K-78A is cataloged in the U.S. Government catalog under NSN 5905-01-112-0817. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.