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1AL81 ✓ 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

SCREWDRIVER ATTACHMENT,SOCKET WR. Key specifications include material: STEEL OVERALL, blade_length: 41.3 MILLIMETERS NOMINAL MM, overall_length: 69.1 MILLIMETERS NOMINAL MM, style_designator: HEXAGON, features_provided: MANUAL TOOL, surface_treatment: CHROMIUM DRIVE SURFACE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-01-399-9801, 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
1AL81
NSN: 5120-01-399-9801
FSC: 5120
CAGE: 25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
blade_length41.3 MILLIMETERS NOMINAL MM
overall_length69.1 MILLIMETERS NOMINAL MM
style_designatorHEXAGON
features_providedMANUAL TOOL
surface_treatmentCHROMIUM DRIVE SURFACE
drive_surface_size0.375 INCHES NOMINAL SINGLE END IN
wrenching_surface_size5.0 MILLIMETERS NOMINAL SINGLE END MM
wrenching_surface_shapeHEXAGON SINGLE END EXTERNAL
NSN5120-01-399-9801
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SCREWDRIVER ATTACHMENT,SOCKET WR TITLE COMPONENT PN 1AL81 MFR SCREWDRIVER ATTACHMENT
KEY FEATURES
•
SURFACE TREATMENT: OXIDE BIT
•
STYLE DESIGNATOR: HEXAGON
•
WRENCHING SURFACE SIZE: 5.0 MILLIMETERS NOMINAL SINGLE END MM
•
WRENCHING SURFACE SHAPE: HEXAGON SINGLE END EXTERNAL
•
MATERIAL: STEEL OVERALL
•
DRIVE SURFACE SIZE: 0.375 INCHES NOMINAL SINGLE END IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTOXIDE BIT
STYLE DESIGNATORHEXAGON
WRENCHING SURFACE SIZE5.0 MILLIMETERS NOMINAL SINGLE END MM
OVERALL LENGTH69.1 MILLIMETERS NOMINAL MM
WRENCHING SURFACE SHAPEHEXAGON SINGLE END EXTERNAL
MATERIALSTEEL OVERALL
DRIVE SURFACE SIZE0.375 INCHES NOMINAL SINGLE END IN
SURFACE TREATMENTCHROMIUM DRIVE SURFACE
FEATURES PROVIDEDMANUAL TOOL
BLADE LENGTH41.3 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
B107.5/B18.3.2Interchangeable
interchangeable cross-reference
interchangeable
J-05MInterchangeable
interchangeable cross-reference
interchangeable
FAM5AInterchangeable
interchangeable cross-reference
interchangeable
4990-5MInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1AL81?
1AL81 is a SCREWDRIVER ATTACHMENT,SOCKET WR.
What parts can replace 1AL81?
There are 4 known substitutes for 1AL81: B107.5/B18.3.2, J-05M, FAM5A and 1 more. Substitute compatibility should be verified for your specific system.
Is 1AL81 still available?
1AL81 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