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418J ✓ 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 SOCKET,SOCKET WRENCH is a the manufacturer industrial component. Key specifications include material: STEEL, thread_length: 1.219 INCHES NOMINAL NUT THREAD IN, overall_length: 3.469 INCHES NOMINAL IN, hardness_rating: 18.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM, shoulder_length: 0.188 INCHES NOMINAL IN, style_designator: SHOULDERED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-237-0978, 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
418J
NSN: 5120-00-237-0978
FSC: 5120
CAGE: 24789 — THORSEN TOOL CO SUB OF WALLACE-MURRAY CORP (USA)
SPECIFICATIONS
materialSTEEL
thread_length1.219 INCHES NOMINAL NUT THREAD IN
overall_length3.469 INCHES NOMINAL IN
hardness_rating18.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM
shoulder_length0.188 INCHES NOMINAL IN
style_designatorSHOULDERED
thread_directionRIGHT-HAND STUD THREAD
shoulder_diameter1.125 INCHES NOMINAL IN
nominal_thread_size0.750 INCHES NUT THREAD IN
nut_end_shank_length0.875 INCHES NOMINAL IN
distance_across_flats0.938 INCHES NOMINAL IN
stud_end_shank_length0.115 INCHES NOMINAL IN
NSN5120-00-237-0978
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SOCKET,SOCKET WRENCH TITLE COMPONENT PN 418J MFR SOCKET,SOCKET WRENCH
KEY FEATURES
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: UNIVERSAL JOINT
•
WRENCHING SURFACE SHAPE: 12 POINT SINGLE END INTERNAL
•
DRIVE SURFACE SIZE: 0.375 INCHES NOMINAL SINGLE END IN
•
WRENCHING END OUTSIDE DIAMETER: 0.820 INCHES MAXIMUM IN
•
WRENCHING SURFACE SIZE: 0.562 INCHES NOMINAL SINGLE END IN
•
WRENCHING END OPENING DEPTH: 0.312 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.969 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORUNIVERSAL JOINT
WRENCHING SURFACE SHAPE12 POINT SINGLE END INTERNAL
DRIVE SURFACE SIZE0.375 INCHES NOMINAL SINGLE END IN
WRENCHING END OUTSIDE DIAMETER0.820 INCHES MAXIMUM IN
WRENCHING SURFACE SIZE0.562 INCHES NOMINAL SINGLE END IN
WRENCHING END OPENING DEPTH0.312 INCHES MINIMUM IN
FEATURES PROVIDEDMANUAL TOOL
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 2 CLASS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
F18Interchangeable
interchangeable cross-reference
interchangeable
S11FTInterchangeable
interchangeable cross-reference
interchangeable
00-237-0978Interchangeable
interchangeable cross-reference
interchangeable
XU182Interchangeable
interchangeable cross-reference
interchangeable
AS954Interchangeable
interchangeable cross-reference
interchangeable
110TMUInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 418J?
418J is a SOCKET,SOCKET WRENCH.
What parts can replace 418J?
There are 19 known substitutes for 418J: F18, S11FT, 00-237-0978 and 16 more. Substitute compatibility should be verified for your specific system.
Is 418J still available?
418J 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