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421-3874 — RESISTOR,VARIABLE,NONWIRE WOUND,

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

421-3874: RESISTOR,VARIABLE,NONWIRE WOUND,.

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include body_style: CYLINDRICAL, body_length: 0.180 INCHES NOMINAL IN, actuator_type: FLUSH DRIVE WITH SLOT-HOLE, body_diameter: 0.250 INCHES NOMINAL IN, overall_length: 0.357 INCHES NOMINAL IN, mounting_method: TERMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5905-00-009-4533, 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→ 421-3874
NSN: 5905-00-009-4533
FSC: 5905 — Resistor
CAGE: A486G — NIMIKKEISTOKESKUS NCB FINLAND (FIN)
SPECIFICATIONS
body_styleCYLINDRICAL
body_length0.180 INCHES NOMINAL IN
actuator_typeFLUSH DRIVE WITH SLOT-HOLE
body_diameter0.250 INCHES NOMINAL IN
overall_length0.357 INCHES NOMINAL IN
mounting_methodTERMINAL
terminal_length0.187 INCHES MINIMUM IN
overall_diameter0.250 INCHES NOMINAL IN
section_quantity1
terminal_locationREAR END
reliability_indicatorNOT ESTABLISHED
terminal_type_and_quantity3 PIN
NSN5905-00-009-4533
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN 421-3874 MFR RESISTOR,VARIABLE,NONW
KEY FEATURES
•
BODY DIAMETER: 0.250 INCHES NOMINAL IN
•
ELECTRICAL RESISTANCE PER SECTION: 20.0 OHMS SINGLE SECTION
•
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER: 150.0 SINGLE SECTION
•
SECTION QUANTITY: 1
•
BODY STYLE: CYLINDRICAL
•
OVERALL DIAMETER: 0.250 INCHES NOMINAL IN
•
TERMINAL LENGTH: 0.187 INCHES MINIMUM IN
•
MOUNTING METHOD: TERMINAL
TECHNICAL CHARACTERISTICS
BODY DIAMETER0.250 INCHES NOMINAL IN
ELECTRICAL RESISTANCE PER SECTION20.0 OHMS SINGLE SECTION
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER150.0 SINGLE SECTION
SECTION QUANTITY1
BODY STYLECYLINDRICAL
OVERALL DIAMETER0.250 INCHES NOMINAL IN
TERMINAL LENGTH0.187 INCHES MINIMUM IN
MOUNTING METHODTERMINAL
OVERALL LENGTH0.357 INCHES NOMINAL IN
TEMP COEFFICIENT OF RESISTANCE PER SECTION IN PPM PER DEG CELSIUS-100.0 TO 100.0 SINGLE SECTION
SUBSTITUTES & CROSS-REFERENCES 1
3329H1-100Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 421-3874?
421-3874 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace 421-3874?
There is 1 known substitute for 421-3874: 3329H1-100. Substitute compatibility should be verified for your specific system.
What is the NSN for 421-3874?
421-3874 is cataloged in the U.S. Government catalog under NSN 5905-00-009-4533. 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.