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Technical Data Sheet
121-501 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include material: STEEL OVERALL, cooling_fin: NOT INCLUDED, balancing_pad: NOT INCLUDED, overall_width: 3.188 INCHES NOMINAL IN, oil_drain_hole: NOT INCLUDED, overall_length: 0.210 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2530-00-528-9090, 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
121-501
NSN: 2530-00-528-9090
FSC: 2530
CAGE: 82386 — JAIDINGER MANUFACTURING CO INC DBA JAIDINGER MANUFACTURING CO INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
cooling_finNOT INCLUDED
balancing_padNOT INCLUDED
overall_width3.188 INCHES NOMINAL IN
oil_drain_holeNOT INCLUDED
overall_length0.210 INCHES MAXIMUM IN
transfer_ratio30.0 NOMINAL SMALL-SIGNAL SHORT-CIRCUIT FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
adjustment_holeNOT INCLUDED
inspection_holeNOT INCLUDED
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.230 INCHES MAXIMUM IN
NSN2530-00-528-9090
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN 121-501 MFR RESISTOR,VARIABLE,NONW
KEY FEATURES
OVERALL OUTSIDE DIAMETER: 7.500 INCHES NOMINAL IN
BRAKING SURFACE DIAMETER: 7.125 INCHES NOMINAL IN
ADJUSTMENT HOLE: NOT INCLUDED
BRAKING SURFACE LOCATION: INTERNAL
OIL DRAIN HOLE: NOT INCLUDED
BALANCING PAD: NOT INCLUDED
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL OUTSIDE DIAMETER7.500 INCHES NOMINAL IN
END ITEM IDENTIFICATIONGRUMMAN A-10 AIRCRAFT;AIRCRAFT, F-16
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
BRAKING SURFACE DIAMETER7.125 INCHES NOMINAL IN
ADJUSTMENT HOLENOT INCLUDED
BRAKING SURFACE LOCATIONINTERNAL
OIL DRAIN HOLENOT INCLUDED
BALANCING PADNOT INCLUDED
BRAKING SURFACE WIDTH2.438 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONFEAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
215-25Interchangeable
interchangeable cross-reference
interchangeable
301-438Interchangeable
interchangeable cross-reference
interchangeable
10515357-6Interchangeable
interchangeable cross-reference
interchangeable
82371Interchangeable
interchangeable cross-reference
interchangeable
14448AInterchangeable
interchangeable cross-reference
interchangeable
48107Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 121-501?
121-501 is a RESISTOR,VARIABLE,NONWIRE WOUND,.
What parts can replace 121-501?
There are 19 known substitutes for 121-501: 215-25, 301-438, 10515357-6 and 16 more. Substitute compatibility should be verified for your specific system.
Is 121-501 still available?
121-501 is currently cancelled.
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