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57408 ✓ 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: COPPER ALLOY OVERALL, end_item_identification: 6 IN. NB25025-MAC IN, part_name_assigned_by_controlling_agency: PACKING GLAND.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-224-2508, 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
57408
NSN: 5120-00-224-2508
FSC: 5120
CAGE: 636D0 — APEX TOOL GROUP, LLC DBA NICHOLSON (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
end_item_identification6 IN. NB25025-MAC IN
part_name_assigned_by_controlling_agencyPACKING GLAND
NSN5120-00-224-2508
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available KEY,SOCKET HEAD SCREW TITLE COMPONENT PN 57408 MFR KEY,SOCKET HEAD SCREW
KEY FEATURES
•
SPECIFICATION/STANDARD DATA: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
SURFACE TREATMENT: OXIDE WRENCHING SURFACE
•
STYLE DESIGNATOR: SCREWDRIVER HANDLE
•
MATERIAL: PLASTIC HANDLE
•
BLADE LENGTH: 3.000 INCHES NOMINAL IN
•
WRENCHING SURFACE SHAPE: HEXAGON SINGLE END EXTERNAL
•
WRENCHING SURFACE SIZE: 0.078 INCHES NOMINAL SINGLE END IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENTOXIDE WRENCHING SURFACE
STYLE DESIGNATORSCREWDRIVER HANDLE
MATERIALPLASTIC HANDLE
BLADE LENGTH3.000 INCHES NOMINAL IN
MATERIALSTEEL WRENCHING SURFACE
WRENCHING SURFACE SHAPEHEXAGON SINGLE END EXTERNAL
WRENCHING SURFACE SIZE0.078 INCHES NOMINAL SINGLE END IN
OVERALL LENGTH4.125 INCHES MINIMUM AND 6.000 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
740-04Interchangeable
interchangeable cross-reference
interchangeable
57400Interchangeable
interchangeable cross-reference
interchangeable
74000Interchangeable
interchangeable cross-reference
interchangeable
607 0.028Interchangeable
interchangeable cross-reference
interchangeable
74008Interchangeable
interchangeable cross-reference
interchangeable
N964M0DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 57408?
57408 is a KEY,SOCKET HEAD SCREW.
What parts can replace 57408?
There are 23 known substitutes for 57408: 740-04, 57400, 74000 and 20 more. Substitute compatibility should be verified for your specific system.
Is 57408 still available?
57408 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