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KKS4U2521S28 — RESISTOR,VARIABLE,NONWIRE WOUND,

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

KKS4U2521S28: RESISTOR,VARIABLE,NONWIRE WOUND,.

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include body_style: CYLINDRICAL BUSHING MOUNTED, body_length: 1.125 INCHES NOMINAL IN, shaft_style: ROUND, SLOTTED, switch_type: ROTARY, shaft_length: 0.875 INCHES NOMINAL IN, actuator_type: SINGLE SHAFT. This part is cataloged in the U.S.

Government catalog under NSN 5905-00-627-0303, 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→ KKS4U2521S28
NSN: 5905-00-627-0303
FSC: 5905 — Resistor
CAGE: 35627 — PRECISION ELECTRONICS CORPORATION (CAN)
SPECIFICATIONS
body_styleCYLINDRICAL BUSHING MOUNTED
body_length1.125 INCHES NOMINAL IN
shaft_styleROUND, SLOTTED
switch_typeROTARY
shaft_length0.875 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
body_diameter1.000 INCHES NOMINAL IN
overall_length2.406 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL IN
mounting_methodSTANDARD BUSHING
overall_diameter1.375 INCHES NOMINAL IN
section_quantity2
NSN5905-00-627-0303
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN KKS4U2521S28 MFR RESISTOR,VARIABLE,NONW
KEY FEATURES
•
BODY DIAMETER: 1.000 INCHES NOMINAL IN
•
OPERATING POSITION: START OF ROTATION
•
SCREW THREAD QUANTITY PER INCH: 32.0
•
ELECTRICAL RESISTANCE PER SECTION: 2.5 KILOHMS ALL SECTIONS
•
SWITCH VOLTAGE RATING IN VOLTS: 250.0 AND 125.0
•
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER: 120.0 ALL SECTIONS
•
SECTION QUANTITY: 2
•
SHAFT DIAMETER: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BODY DIAMETER1.000 INCHES NOMINAL IN
OPERATING POSITIONSTART OF ROTATION
SCREW THREAD QUANTITY PER INCH32.0
ELECTRICAL RESISTANCE PER SECTION2.5 KILOHMS ALL SECTIONS
SWITCH VOLTAGE RATING IN VOLTS250.0 AND 125.0
AMBIENT TEMP IN DEG CELSIUS PER SECTION AT ZERO PERCENT RATED POWER120.0 ALL SECTIONS
SECTION QUANTITY2
SHAFT DIAMETER0.250 INCHES NOMINAL IN
BODY STYLECYLINDRICAL BUSHING MOUNTED
OVERALL DIAMETER1.375 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
95781Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is KKS4U2521S28?
KKS4U2521S28 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace KKS4U2521S28?
There is 1 known substitute for KKS4U2521S28: 95781. Substitute compatibility should be verified for your specific system.
What is the NSN for KKS4U2521S28?
KKS4U2521S28 is cataloged in the U.S. Government catalog under NSN 5905-00-627-0303. 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.