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1AP51 ✓ 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: 2.700 INCHES MAXIMUM IN, drive_end_shape: SQUARE SINGLE END INTERNAL, style_designator: INTERNAL-INTERNAL, surface_treatment: CHROMIUM OVERALL, drive_surface_size: 0.750 INCHES NOMINAL SINGLE END IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-01-399-9697, 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
1AP51
NSN: 5120-01-399-9697
FSC: 5120
CAGE: 25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length2.700 INCHES MAXIMUM IN
drive_end_shapeSQUARE SINGLE END INTERNAL
style_designatorINTERNAL-INTERNAL
surface_treatmentCHROMIUM OVERALL
drive_surface_size0.750 INCHES NOMINAL SINGLE END IN
wrenching_surface_size1.438 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_data81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN5120-01-399-9697
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SOCKET,SOCKET WRENCH TITLE COMPONENT PN 1AP51 MFR SOCKET,SOCKET WRENCH
KEY FEATURES
•
DRIVE END SHAPE: SQUARE SINGLE END INTERNAL
•
SURFACE TREATMENT: CHROMIUM OVERALL
•
DRIVE SURFACE SIZE: 0.750 INCHES NOMINAL SINGLE END IN
•
WRENCHING SURFACE SIZE: 1.438 INCHES NOMINAL SINGLE END IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: INTERNAL-INTERNAL
•
WRENCHING SURFACE SHAPE: 12 POINT SINGLE END INTERNAL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH2.700 INCHES MAXIMUM IN
DRIVE END SHAPESQUARE SINGLE END INTERNAL
SURFACE TREATMENTCHROMIUM OVERALL
DRIVE SURFACE SIZE0.750 INCHES NOMINAL SINGLE END IN
WRENCHING SURFACE SIZE1.438 INCHES NOMINAL SINGLE END IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORINTERNAL-INTERNAL
WRENCHING SURFACE SHAPE12 POINT SINGLE END INTERNAL
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1 CLASS AND A STYLE
SPECIFICATION/STANDARD DATA81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
60A52B154 REV CInterchangeable
interchangeable cross-reference
interchangeable
800114-1Interchangeable
interchangeable cross-reference
interchangeable
65A116B256-2Interchangeable
interchangeable cross-reference
interchangeable
5546Interchangeable
interchangeable cross-reference
interchangeable
53-557Interchangeable
interchangeable cross-reference
interchangeable
MGX8-2439T34Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1AP51?
1AP51 is a SOCKET,SOCKET WRENCH.
What parts can replace 1AP51?
There are 14 known substitutes for 1AP51: 60A52B154 REV C, 800114-1, 65A116B256-2 and 11 more. Substitute compatibility should be verified for your specific system.
Is 1AP51 still available?
1AP51 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026