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PartsTable / COMPONENT / 12-138D
12-138D ✓ 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 OVERALL, overall_length: 2.03 INCHES MAXIMUM IN, drive_end_shape: SQUARE SINGLE END INTERNAL, style_designator: INTERNAL-INTERNAL, features_provided: MANUAL TOOL, surface_treatment: CHROMIUM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-01-601-5192, 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
12-138D
NSN: 5120-01-601-5192
FSC: 5120
CAGE: 636D0 — APEX TOOL GROUP, LLC DBA NICHOLSON (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length2.03 INCHES MAXIMUM IN
drive_end_shapeSQUARE SINGLE END INTERNAL
style_designatorINTERNAL-INTERNAL
features_providedMANUAL TOOL
surface_treatmentCHROMIUM OVERALL
drive_surface_size0.500 INCHES NOMINAL SINGLE END IN
wrenching_surface_size1.188 INCHES NOMINAL SINGLE END IN
wrenching_surface_shape12 POINT SINGLE END INTERNAL
nondefinitive_spec/std_data1 TYPE AND 1 CLASS AND A STYLE
specification/standard_data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN5120-01-601-5192
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SOCKET,SOCKET WRENCH TITLE COMPONENT PN 12-138D MFR SOCKET,SOCKET WRENCH
KEY FEATURES
•
SPECIFICATION/STANDARD DATA: 0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
WRENCHING SURFACE SIZE: 1.188 INCHES NOMINAL SINGLE END IN
•
STYLE DESIGNATOR: INTERNAL-INTERNAL
•
SURFACE TREATMENT: CHROMIUM OVERALL
•
WRENCHING SURFACE SHAPE: 12 POINT SINGLE END INTERNAL
•
MATERIAL: STEEL OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 1 CLASS AND A STYLE
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH2.03 INCHES MAXIMUM IN
SPECIFICATION/STANDARD DATA0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WRENCHING SURFACE SIZE1.188 INCHES NOMINAL SINGLE END IN
STYLE DESIGNATORINTERNAL-INTERNAL
SURFACE TREATMENTCHROMIUM OVERALL
WRENCHING SURFACE SHAPE12 POINT SINGLE END INTERNAL
MATERIALSTEEL OVERALL
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1 CLASS AND A STYLE
DRIVE SURFACE SIZE0.500 INCHES NOMINAL SINGLE END IN
DRIVE END SHAPESQUARE SINGLE END INTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
12138Interchangeable
interchangeable cross-reference
interchangeable
FMJF2B69Interchangeable
interchangeable cross-reference
interchangeable
161C159Interchangeable
interchangeable cross-reference
interchangeable
654508Interchangeable
interchangeable cross-reference
interchangeable
6479AInterchangeable
interchangeable cross-reference
interchangeable
6479-A 14010Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12-138D?
12-138D is a SOCKET,SOCKET WRENCH.
What parts can replace 12-138D?
There are 14 known substitutes for 12-138D: 12138, FMJF2B69, 161C159 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12-138D?
12-138D is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-01-601-5192. 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