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Technical Data Sheet
PartsTable / MRO / A603C
A603C ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 A603C is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, outside_diameter: 5.875 INCHES NOMINAL IN, aperture_diameter: 3.500 INCHES NOMINAL IN, counterbore_depth: 0.312 INCHES NOMINAL IN, overall_thickness: 0.750 INCHES NOMINAL IN, counterbore_diameter: 5.125 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-056-3437, 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→ A603C
NSN: 6625-00-056-3437
FSC: 6625
CAGE: 80138 — KAY ELEMETRICS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
outside_diameter5.875 INCHES NOMINAL IN
aperture_diameter3.500 INCHES NOMINAL IN
counterbore_depth0.312 INCHES NOMINAL IN
overall_thickness0.750 INCHES NOMINAL IN
counterbore_diameter5.125 INCHES NOMINAL IN
mounting_hole_diameter0.531 INCHES NOMINAL IN
bolt_circle_hole_quantity4
mounting_bolt_circle_diameter6.000 INCHES NOMINAL IN
mounting_hole_arrangement_styleSINGLE BOLT HOLE CIRCLE
NSN6625-00-056-3437
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available A603C TITLE COMPONENT PN A603C MFR A603C
KEY FEATURES
•
MATERIAL: STEEL CORROSION RESISTING
•
FSC APPLICATION DATA: TEST SETS,ELECTRONIC SYSTEMS,EXCEPT SPECIALLY DESIGNED
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.188 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
FSC APPLICATION DATATEST SETS,ELECTRONIC SYSTEMS,EXCEPT SPECIALLY DESIGNED
OVERALL WIDTH0.125 INCHES NOMINAL IN
OVERALL LENGTH0.188 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
FSC APPLICATION DATATEST SETS,ELECTRONIC SYSTEMS,EXCEPT SPECIALLY DESIGNED
OVERALL WIDTH0.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
STE410330Upgraded Successor
successor cross-reference
successor
33-454-SUpgraded Successor
successor cross-reference
successor
603Upgraded Successor
successor cross-reference
successor
3037Upgraded Successor
successor cross-reference
successor
A603CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A603C?
A603C is a A603C. It is classified as a MRO (MRO_GENERAL).
What parts can replace A603C?
There are 5 known substitutes for A603C: STE410330, 33-454-S, 603 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A603C?
A603C is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-056-3437. 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