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ET58 ✓ 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 KEY,SOCKET HEAD SCREW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, style_designator: L-HANDLE, features_provided: SHORT SERIES, surface_treatment: OXIDE OVERALL, wrenching_surface_size: 0.625 INCHES NOMINAL BOTH ENDS IN, end_item_identification: SATS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-01-652-2426, 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
ET58
NSN: 5120-01-652-2426
FSC: 5120
CAGE: 55719 — IDSC HOLDINGS LLC DIV SNAP-ON INDUSTRIAL, A DIV. OF IDSC HOLDINGS , LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
style_designatorL-HANDLE
features_providedSHORT SERIES
surface_treatmentOXIDE OVERALL
wrenching_surface_size0.625 INCHES NOMINAL BOTH ENDS IN
end_item_identificationSATS
wrenching_surface_shapeHEXAGON BOTH ENDS EXTERNAL
NSN5120-01-652-2426
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available KEY,SOCKET HEAD SCREW TITLE COMPONENT PN ET58 MFR KEY,SOCKET HEAD SCREW
KEY FEATURES
•
SURFACE TREATMENT: OXIDE OVERALL
•
WRENCHING SURFACE SIZE: 0.625 INCHES NOMINAL BOTH ENDS IN
•
FEATURES PROVIDED: SHORT SERIES
•
STYLE DESIGNATOR: L-HANDLE
•
MATERIAL: STEEL OVERALL
•
WRENCHING SURFACE SHAPE: HEXAGON BOTH ENDS EXTERNAL
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONSATS
SURFACE TREATMENTOXIDE OVERALL
WRENCHING SURFACE SIZE0.625 INCHES NOMINAL BOTH ENDS IN
FEATURES PROVIDEDSHORT SERIES
STYLE DESIGNATORL-HANDLE
MATERIALSTEEL OVERALL
WRENCHING SURFACE SHAPEHEXAGON BOTH ENDS EXTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
15140Interchangeable
interchangeable cross-reference
interchangeable
651372Interchangeable
interchangeable cross-reference
interchangeable
53-689Interchangeable
interchangeable cross-reference
interchangeable
800728Interchangeable
interchangeable cross-reference
interchangeable
144A21800-421Interchangeable
interchangeable cross-reference
interchangeable
ME39635Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ET58?
ET58 is a KEY,SOCKET HEAD SCREW.
What parts can replace ET58?
There are 9 known substitutes for ET58: 15140, 651372, 53-689 and 6 more. Substitute compatibility should be verified for your specific system.
Is ET58 still available?
ET58 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026