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Technical Data Sheet
558A ✓ 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

The SPRING,HELICAL,EXTENSION is a the manufacturer industrial component. Key specifications include color: AMBER LENS, material: COPPER ALLOY 360 OVERALL, overall_height: 0.695 INCHES0.695 INCHES IN, largest_diameter: 0.093 INCHES FIRST END IN, overall_diameter: 0.156 INCHES0.156 INCHES IN, special_features: SUNBURST TYPE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6220-00-350-8068, 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
558A
NSN: 6220-00-350-8068
FSC: 6220
CAGE: 72635 — DIETZ R E CO (USA)
SPECIFICATIONS
colorAMBER LENS
materialCOPPER ALLOY 360 OVERALL
overall_height0.695 INCHES0.695 INCHES IN
largest_diameter0.093 INCHES FIRST END IN
overall_diameter0.156 INCHES0.156 INCHES IN
special_featuresSUNBURST TYPE
style_designatorPLANO CONVEX
basic_shape_styleNONTUBULAR ROUND
surface_conditionGROOVED FACE
major_bushing_length0.045 INCHES IN
minor_bushing_length0.095 INCHES IN
mounting_method_stylePRESS FIT
NSN6220-00-350-8068
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING,HELICAL,EXTENSION TITLE COMPONENT PN 558A MFR SPRING,HELICAL,EXTENSI
KEY FEATURES
SURFACE CONDITION: GROOVED FACE
COLOR: AMBER LENS
MATERIAL: PLASTIC ACRYLIC LENS
STYLE DESIGNATOR: PLANO CONVEX
LIGHT TRANSMISSION DESIGN: TRANSLUCENT LENS
OVERALL DIAMETER: 1.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE CONDITIONGROOVED FACE
COLORAMBER LENS
MATERIALPLASTIC ACRYLIC LENS
STYLE DESIGNATORPLANO CONVEX
LIGHT TRANSMISSION DESIGNTRANSLUCENT LENS
SURFACE CONDITIONFLUTED BACK
OVERALL DIAMETER1.375 INCHES NOMINAL IN
OVERALL HEIGHT0.875 INCHES NOMINAL IN
SPECIAL FEATURESSUNBURST TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
2906314Interchangeable
interchangeable cross-reference
interchangeable
8453903-104Interchangeable
interchangeable cross-reference
interchangeable
8934AInterchangeable
interchangeable cross-reference
interchangeable
WW8453903SH1PC104Interchangeable
interchangeable cross-reference
interchangeable
82-393Interchangeable
interchangeable cross-reference
interchangeable
321-1011Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 558A?
558A is a SPRING,HELICAL,EXTENSION.
What parts can replace 558A?
There are 20 known substitutes for 558A: 2906314, 8453903-104, 8934A and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 558A?
558A is cataloged in the Federal Logistics Information System (FLIS) under NSN 6220-00-350-8068. This indicates validated use in U.S. government and defense supply chains.
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