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Technical Data Sheet
PartsTable / COMPONENT / 1FX20
1FX20 ✓ 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: 2.93 INCHES MINIMUM IN, drive_end_shape: SQUARE SINGLE END INTERNAL, style_designator: INTERNAL-INTERNAL, features_provided: MANUAL TOOL, surface_treatment: CHROMIUM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-01-335-0823, 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
1FX20
NSN: 5120-01-335-0823
FSC: 5120
CAGE: 25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length2.93 INCHES MINIMUM 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_size1.312 INCHES NOMINAL SINGLE END IN
wrenching_surface_shape12 POINT SINGLE END INTERNAL
drive_end_outside_diameter1.675 INCHES MAXIMUM IN
nondefinitive_spec/std_data1 TYPE
specification/standard_data05047-ASME B107.110 CAT 1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN5120-01-335-0823
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SOCKET,SOCKET WRENCH TITLE COMPONENT PN 1FX20 MFR SOCKET,SOCKET WRENCH
KEY FEATURES
•
DRIVE END OUTSIDE DIAMETER: 1.675 INCHES MAXIMUM IN
•
WRENCHING END OPENING DEPTH: 0.656 INCHES MINIMUM IN
•
WRENCHING END OUTSIDE DIAMETER: 1.675 INCHES MAXIMUM IN
•
DRIVE END SHAPE: SQUARE SINGLE END INTERNAL
•
STYLE DESIGNATOR: INTERNAL-INTERNAL
•
MATERIAL: STEEL OVERALL
•
SPECIFICATION/STANDARD DATA: 05047-ASME B107.110 CAT 1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH2.93 INCHES MINIMUM IN
DRIVE END OUTSIDE DIAMETER1.675 INCHES MAXIMUM IN
WRENCHING END OPENING DEPTH0.656 INCHES MINIMUM IN
WRENCHING END OUTSIDE DIAMETER1.675 INCHES MAXIMUM IN
DRIVE END SHAPESQUARE SINGLE END INTERNAL
STYLE DESIGNATORINTERNAL-INTERNAL
MATERIALSTEEL OVERALL
SPECIFICATION/STANDARD DATA05047-ASME B107.110 CAT 1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WRENCHING SURFACE SHAPE12 POINT SINGLE END INTERNAL
NONDEFINITIVE SPEC/STD DATA1 TYPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
53-42Interchangeable
interchangeable cross-reference
interchangeable
651328Interchangeable
interchangeable cross-reference
interchangeable
15054Interchangeable
interchangeable cross-reference
interchangeable
85-4785407Interchangeable
interchangeable cross-reference
interchangeable
7528261P1Interchangeable
interchangeable cross-reference
interchangeable
7528261-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1FX20?
1FX20 is a SOCKET,SOCKET WRENCH.
What parts can replace 1FX20?
There are 27 known substitutes for 1FX20: 53-42, 651328, 15054 and 24 more. Substitute compatibility should be verified for your specific system.
Is 1FX20 still available?
1FX20 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