PartsTable
Technical Data Sheet
Download PDF

58-503A — RESISTOR,VARIABLE,WIRE WOUND,NON

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

58-503A: RESISTOR,VARIABLE,WIRE WOUND,NON.

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include body_style: CYLINDRICAL BUSHING MOUNTED, body_length: 0.781 INCHES NOMINAL IN, shaft_style: ROUND, shaft_length: 0.875 INCHES NOMINAL IN, actuator_type: SINGLE SHAFT, body_diameter: 1.656 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5905-00-255-5691, 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→ 58-503A
NSN: 5905-00-255-5691
NIINs: 002555691, 014586754
FSC: 5905 — Resistor
CAGE: 12697 — CLAROSTAT SENSORS AND CONTROLS (USA)
SPECIFICATIONS
body_styleCYLINDRICAL BUSHING MOUNTED
body_length0.781 INCHES NOMINAL IN
shaft_styleROUND
shaft_length0.875 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
body_diameter1.656 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL IN
wattage_rating35.000 WATTS
mounting_methodSTANDARD BUSHING
section_quantity1
terminal_locationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
nonturn_device_radius0.531 INCHES NOMINAL IN
NSN5905-00-255-5691
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,NON TITLE COMPONENT PN 58-503A MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
•
NONTURN DEVICE LOCATION: AT 9 OCLOCK
•
BODY DIAMETER: 1.656 INCHES NOMINAL IN
•
SCREW THREAD QUANTITY PER INCH: 32.0
•
ELECTRICAL RESISTANCE PER SECTION: 50.0 KILOHMS SINGLE SECTION
•
SECTION QUANTITY: 1
•
SHAFT DIAMETER: 0.250 INCHES NOMINAL IN
•
NONTURN DEVICE RADIUS: 0.531 INCHES NOMINAL IN
•
BODY STYLE: CYLINDRICAL BUSHING MOUNTED
TECHNICAL CHARACTERISTICS
NONTURN DEVICE LOCATIONAT 9 OCLOCK
BODY DIAMETER1.656 INCHES NOMINAL IN
SCREW THREAD QUANTITY PER INCH32.0
ELECTRICAL RESISTANCE PER SECTION50.0 KILOHMS SINGLE SECTION
SECTION QUANTITY1
SHAFT DIAMETER0.250 INCHES NOMINAL IN
NONTURN DEVICE RADIUS0.531 INCHES NOMINAL IN
BODY STYLECYLINDRICAL BUSHING MOUNTED
CONTACT ARM ELECTRICAL OFF POSITIONFULLY CCW
MOUNTING METHODSTANDARD BUSHING
SUBSTITUTES & CROSS-REFERENCES 3
RA100-31RCNReference document
Same NSN cross-reference
Reference document — Secondary reference
RA100ASRD503AReference document
Same NSN cross-reference
Reference document — Design control — primary reference
PT2-503AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
Ready to buy 58-503A?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 58-503A?
58-503A is a RESISTOR,VARIABLE,WIRE WOUND,NON. It is classified as a MRO (MRO_GENERAL).
What parts can replace 58-503A?
There are 3 known substitutes for 58-503A: RA100-31RCN, RA100ASRD503A, PT2-503A. Substitute compatibility should be verified for your specific system.
What is the NSN for 58-503A?
58-503A is cataloged in the U.S. Government catalog under NSN 5905-00-255-5691. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 58-503A

✓ 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.