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420J ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

The SOCKET,SOCKET WRENCH is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_length: 2.250 INCHES MAXIMUM IN, drive_end_shape: SQUARE SINGLE END INTERNAL, special_markings: 5/8 IN. IN, style_designator: UNIVERSAL JOINT, features_provided: MANUAL TOOL.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-237-4974, 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
420J
NSN: 5120-00-237-4974
FSC: 5120
CAGE: 24789 — THORSEN TOOL CO SUB OF WALLACE-MURRAY CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length2.250 INCHES MAXIMUM IN
drive_end_shapeSQUARE SINGLE END INTERNAL
special_markings5/8 IN. IN
style_designatorUNIVERSAL JOINT
features_providedMANUAL TOOL
surface_treatmentCHROMIUM OVERALL
drive_surface_size0.375 INCHES NOMINAL SINGLE END IN
wrenching_surface_size0.625 INCHES NOMINAL SINGLE END IN
wrenching_surface_shape12 POINT SINGLE END INTERNAL
drive_end_outside_diameter0.885 INCHES MAXIMUM IN
nondefinitive_spec/std_data1 TYPE AND 2 CLASS
NSN5120-00-237-4974
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SOCKET,SOCKET WRENCH TITLE COMPONENT PN 420J MFR SOCKET,SOCKET WRENCH
KEY FEATURES
•
DRIVE END OUTSIDE DIAMETER: 0.885 INCHES MAXIMUM IN
•
DRIVE END SHAPE: SQUARE SINGLE END INTERNAL
•
STYLE DESIGNATOR: UNIVERSAL JOINT
•
WRENCHING SURFACE SIZE: 0.625 INCHES NOMINAL SINGLE END IN
•
SPECIFICATION/STANDARD DATA: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
WRENCHING SURFACE SHAPE: 12 POINT SINGLE END INTERNAL
•
FEATURES PROVIDED: MANUAL TOOL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH2.250 INCHES MAXIMUM IN
DRIVE END OUTSIDE DIAMETER0.885 INCHES MAXIMUM IN
DRIVE END SHAPESQUARE SINGLE END INTERNAL
STYLE DESIGNATORUNIVERSAL JOINT
WRENCHING SURFACE SIZE0.625 INCHES NOMINAL SINGLE END IN
SPECIFICATION/STANDARD DATA0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WRENCHING SURFACE SHAPE12 POINT SINGLE END INTERNAL
FEATURES PROVIDEDMANUAL TOOL
MATERIALSTEEL OVERALL
DRIVE SURFACE SIZE0.375 INCHES NOMINAL SINGLE END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
110TMUInterchangeable
interchangeable cross-reference
interchangeable
AS954Interchangeable
interchangeable cross-reference
interchangeable
AS954 TY1CL2Interchangeable
interchangeable cross-reference
interchangeable
B107.1 CL3Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-641Interchangeable
interchangeable cross-reference
interchangeable
F20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 420J?
420J is a SOCKET,SOCKET WRENCH.
What parts can replace 420J?
There are 21 known substitutes for 420J: 110TMU, AS954, AS954 TY1CL2 and 18 more. Substitute compatibility should be verified for your specific system.
Is 420J still available?
420J 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