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1ALF4 — Technical Data Sheet

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— · 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

WRENCH,BOX AND OPEN END,COMBINAT. Key specifications include material: STEEL OVERALL, head_angle: 15.0 DEGREES NOMINAL, overall_length: 6.000 INCHES NOMINAL IN, style_designator: OFFSET, surface_treatment: CHROMIUM OVERALL, wrenching_surface_size: 0.375 INCHES NOMINAL BOTH ENDS IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5120-01-399-8816, 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
1ALF4
NSN: 5120-01-399-8816
FSC: 5120
CAGE: 25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_angle15.0 DEGREES NOMINAL
overall_length6.000 INCHES NOMINAL IN
style_designatorOFFSET
surface_treatmentCHROMIUM OVERALL
wrenching_surface_size0.375 INCHES NOMINAL BOTH ENDS IN
wrenching_surface_shapeOVAL FIRST END INTERNAL
wrenching_end_offset_angle15.0 DEGREES NOMINAL
NSN5120-01-399-8816
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available WRENCH,BOX AND OPEN END,COMBINAT TITLE COMPONENT PN 1ALF4 MFR WRENCH,BOX AND OPEN EN
KEY FEATURES
•
HEAD ANGLE: 15.0 DEGREES NOMINAL
•
WRENCHING SURFACE SIZE: 0.375 INCHES NOMINAL BOTH ENDS IN
•
WRENCHING SURFACE SHAPE: 12 POINT SECOND END INTERNAL
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: OFFSET
•
SURFACE TREATMENT: CHROMIUM OVERALL
TECHNICAL CHARACTERISTICS
OVERALL LENGTH6.000 INCHES NOMINAL IN
HEAD ANGLE15.0 DEGREES NOMINAL
WRENCHING SURFACE SIZE0.375 INCHES NOMINAL BOTH ENDS IN
WRENCHING SURFACE SHAPE12 POINT SECOND END INTERNAL
MATERIALSTEEL OVERALL
STYLE DESIGNATOROFFSET
SURFACE TREATMENTCHROMIUM OVERALL
WRENCHING SURFACE SHAPEOVAL FIRST END INTERNAL
WRENCHING END OFFSET ANGLE15.0 DEGREES NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
25Z58InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
212MGInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1212LInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1ALF4?
1ALF4 is a WRENCH,BOX AND OPEN END,COMBINAT.
What parts can replace 1ALF4?
There are 3 known substitutes for 1ALF4: 25Z58, 212MG, 1212L. Substitute compatibility should be verified for your specific system.
What is the NSN for 1ALF4?
1ALF4 is cataloged in the Federal Logistics Information System under NSN 5120-01-399-8816. 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: September 2026