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561721 — RESISTOR,VARIABLE,WIRE WOUND,PRE

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

561721: RESISTOR,VARIABLE,WIRE WOUND,PRE.

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include body_style: CYLINDRICAL SERVO MOUNTED, body_length: 0.666 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN, shaft_style: ROUND, SLOTTED, bearing_type: BALL SHAFT, pilot_length: 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN, shaft_length: 0.115 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3930-00-065-1754, 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→ 561721
NSN: 3930-00-065-1754
NIINs: 000651754, 001538235
FSC: 3930 — Warehouse Trucks and Tractors, Self-propelled
CAGE: 11671 — DANA CORP TYRONE HYDRAULICS INC DIV (USA)
SPECIFICATIONS
body_styleCYLINDRICAL SERVO MOUNTED
body_length0.666 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
shaft_styleROUND, SLOTTED
bearing_typeBALL SHAFT
pilot_length0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN
shaft_length0.115 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
shaft_runout0.001 INCHES IN
actuator_typeDOUBLE ENDED SHAFT
body_diameter1.047 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
lateral_runout0.002 INCHES IN
overall_length1.375 INCHES MINIMUM AND 1.593 INCHES MAXIMUM IN
pilot_diameter0.9681 INCHES MINIMUM AND 0.9686 INCHES MAXIMUM IN
NSN3930-00-065-1754
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,PRE TITLE COMPONENT PN 561721 MFR RESISTOR,VARIABLE,WIRE
KEY FEATURES
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL
END ITEM IDENTIFICATION3930-00-325-4674
SUBSTITUTES & CROSS-REFERENCES 1
127MCC1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 561721?
561721 is a RESISTOR,VARIABLE,WIRE WOUND,PRE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 561721?
There is 1 known substitute for 561721: 127MCC1. Substitute compatibility should be verified for your specific system.
What is the NSN for 561721?
561721 is cataloged in the U.S. Government catalog under NSN 3930-00-065-1754. 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.