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1AH73 ✓ 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 EXTENSION,SOCKET WRENCH is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_length: 1.750 INCHES NOMINAL IN, drive_end_shape: SQUARE FIRST END INTERNAL, style_designator: RIGID, features_provided: MANUAL TOOL, surface_treatment: CHROMIUM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-01-399-9615, 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
1AH73
NSN: 5120-01-399-9615
FSC: 5120
CAGE: 25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length1.750 INCHES NOMINAL IN
drive_end_shapeSQUARE FIRST END INTERNAL
style_designatorRIGID
features_providedMANUAL TOOL
surface_treatmentCHROMIUM OVERALL
drive_surface_size0.375 INCHES NOMINAL BOTH ENDS IN
NSN5120-01-399-9615
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available EXTENSION,SOCKET WRENCH TITLE COMPONENT PN 1AH73 MFR EXTENSION,SOCKET WRENC
KEY FEATURES
•
DRIVE END SHAPE: SQUARE FIRST END INTERNAL
•
MATERIAL: STEEL OVERALL
•
FEATURES PROVIDED: MANUAL TOOL
•
SURFACE TREATMENT: CHROMIUM OVERALL
•
STYLE DESIGNATOR: RIGID
•
DRIVE SURFACE SIZE: 0.375 INCHES NOMINAL BOTH ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
DRIVE END SHAPESQUARE FIRST END INTERNAL
MATERIALSTEEL OVERALL
OVERALL LENGTH1.750 INCHES NOMINAL IN
FEATURES PROVIDEDMANUAL TOOL
SURFACE TREATMENTCHROMIUM OVERALL
DRIVE END SHAPESQUARE SECOND END EXTERNAL
STYLE DESIGNATORRIGID
DRIVE SURFACE SIZE0.375 INCHES NOMINAL BOTH ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
DS-934405Interchangeable
interchangeable cross-reference
interchangeable
5259Interchangeable
interchangeable cross-reference
interchangeable
0120-A3Interchangeable
interchangeable cross-reference
interchangeable
120A.3Interchangeable
interchangeable cross-reference
interchangeable
120Interchangeable
interchangeable cross-reference
interchangeable
X333386Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1AH73?
1AH73 is a EXTENSION,SOCKET WRENCH.
What parts can replace 1AH73?
There are 14 known substitutes for 1AH73: DS-934405, 5259, 0120-A3 and 11 more. Substitute compatibility should be verified for your specific system.
Is 1AH73 still available?
1AH73 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