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20139A — RESISTOR,VARIABLE,WIRE WOUND,NON

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

20139A: RESISTOR,VARIABLE,WIRE WOUND,NON.

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include body_style: CYLINDRICAL BUSHING MOUNTED, body_length: 1.375 INCHES NOMINAL IN, flat_height: 0.219 INCHES NOMINAL IN, shaft_style: ROUND, FLATTED, shaft_length: 1.125 INCHES NOMINAL IN, actuator_type: SINGLE SHAFT. This part is cataloged in the U.S.

Government catalog under NSN 5905-00-643-7588, 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→ 20139A
NSN: 5905-00-643-7588
FSC: 5905 — Resistor
CAGE: 06003 — KFT FIRE TRAINER LLC (USA)
SPECIFICATIONS
body_styleCYLINDRICAL BUSHING MOUNTED
body_length1.375 INCHES NOMINAL IN
flat_height0.219 INCHES NOMINAL IN
shaft_styleROUND, FLATTED
shaft_length1.125 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
body_diameter1.547 INCHES MINIMUM AND 1.578 INCHES MAXIMUM IN
shaft_diameter0.250 INCHES NOMINAL IN
mounting_methodSTANDARD BUSHING
section_quantity1
first_flat_length0.344 INCHES NOMINAL IN
terminal_locationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE LOCATION NOT OTHERWISE SPECIFIED
NSN5905-00-643-7588
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,NON TITLE COMPONENT PN 20139A MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
•
NONTURN DEVICE LOCATION: AT 6 OCLOCK
•
BODY DIAMETER: 1.547 INCHES MINIMUM AND 1.578 INCHES MAXIMUM IN
•
SCREW THREAD QUANTITY PER INCH: 32.0
•
ELECTRICAL RESISTANCE PER SECTION: 8.000 OHMS SINGLE SECTION
•
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER: 340.0 SINGLE SECTION
•
SECTION QUANTITY: 1
•
SHAFT DIAMETER: 0.250 INCHES NOMINAL IN
•
NONTURN DEVICE RADIUS: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
NONTURN DEVICE LOCATIONAT 6 OCLOCK
BODY DIAMETER1.547 INCHES MINIMUM AND 1.578 INCHES MAXIMUM IN
SCREW THREAD QUANTITY PER INCH32.0
ELECTRICAL RESISTANCE PER SECTION8.000 OHMS SINGLE SECTION
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER340.0 SINGLE SECTION
SECTION QUANTITY1
SHAFT DIAMETER0.250 INCHES NOMINAL IN
NONTURN DEVICE RADIUS0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN
BODY STYLECYLINDRICAL BUSHING MOUNTED
FIRST FLAT LENGTH0.344 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5905 — Resistor
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5905-00-000-0136 5905-00-000-0488 5905-00-000-8809 5905-00-000-8833 5905-00-000-9526 5905-00-001-1342 5905-00-001-1573 5905-00-001-2059
SUBSTITUTES & CROSS-REFERENCES 1
HAGECHAMAR80HMSReference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 20139A?
20139A is a RESISTOR,VARIABLE,WIRE WOUND,NON. It is classified as a MRO (MRO_GENERAL).
What parts can replace 20139A?
There is 1 known substitute for 20139A: HAGECHAMAR80HMS. Substitute compatibility should be verified for your specific system.
What is the NSN for 20139A?
20139A is cataloged in the U.S. Government catalog under NSN 5905-00-643-7588. This indicates validated use in U.S. government and defense supply chains.
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