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PartsTable / COMPONENT / 258-20FSA
258-20FSA ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include width: 2.000 INCHES NOMINAL IN, height: 2.750 INCHES NOMINAL IN, length: 3.125 INCHES NOMINAL IN, diameter: 0.375 INCHES NOMINAL IN, material: STEEL OVERALL, base_style: SINGLE PIN (FLUORESCENT). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1440-01-158-2560, 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
258-20FSA
NSN: 1440-01-158-2560
FSC: 1440
CAGE: 73940 — GRANT GEAR WORKS INC (USA)
SPECIFICATIONS
width2.000 INCHES NOMINAL IN
height2.750 INCHES NOMINAL IN
length3.125 INCHES NOMINAL IN
diameter0.375 INCHES NOMINAL IN
materialSTEEL OVERALL
base_styleSINGLE PIN (FLUORESCENT)
body_styleHAND HELD
bulb_styleT (TUBULAR)
head_styleFLAT
body_length0.750 INCHES MAXIMUM IN
shaft_styleROUND, SLOTTED
switch_typePUSH
NSN1440-01-158-2560
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,PRE TITLE COMPONENT PN 258-20FSA MFR RESISTOR,VARIABLE,WIRE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
10528Interchangeable
interchangeable cross-reference
interchangeable
3058PInterchangeable
interchangeable cross-reference
interchangeable
31TA56Interchangeable
interchangeable cross-reference
interchangeable
41X10Interchangeable
interchangeable cross-reference
interchangeable
15412Interchangeable
interchangeable cross-reference
interchangeable
10504AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 258-20FSA?
258-20FSA is a RESISTOR,VARIABLE,WIRE WOUND,PRE.
What parts can replace 258-20FSA?
There are 10 known substitutes for 258-20FSA: 10528, 3058P, 31TA56 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 258-20FSA?
258-20FSA is cataloged in the Federal Logistics Information System (FLIS) under NSN 1440-01-158-2560. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026