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Technical Data Sheet
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5543A42 — 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

The SOCKET,SOCKET WRENCH is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, drive_end_shape: SQUARE SINGLE END INTERNAL, style_designator: INTERNAL-INTERNAL, features_provided: MANUAL TOOL, surface_treatment: CHROMIUM OVERALL, drive_surface_size: 0.250 INCHES NOMINAL SINGLE END IN. This part is cataloged in the Federal Logistics Information System under NSN 5120-01-335-0962, 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
5543A42
NSN: 5120-01-335-0962
FSC: 5120
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
drive_end_shapeSQUARE SINGLE END INTERNAL
style_designatorINTERNAL-INTERNAL
features_providedMANUAL TOOL
surface_treatmentCHROMIUM OVERALL
drive_surface_size0.250 INCHES NOMINAL SINGLE END IN
wrenching_surface_size0.156 INCHES NOMINAL SINGLE END IN
wrenching_surface_shape6 POINT SINGLE END INTERNAL
nondefinitive_spec/std_data1 TYPE AND 1 CLASS
specification/standard_data05047-ASME B107.1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN5120-01-335-0962
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SOCKET,SOCKET WRENCH TITLE COMPONENT PN 5543A42 MFR SOCKET,SOCKET WRENCH
KEY FEATURES
•
STYLE DESIGNATOR: INTERNAL-INTERNAL
•
WRENCHING SURFACE SIZE: 0.156 INCHES NOMINAL SINGLE END IN
•
SURFACE TREATMENT: CHROMIUM OVERALL
•
DRIVE END SHAPE: SQUARE SINGLE END INTERNAL
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 1 CLASS
•
SPECIFICATION/STANDARD DATA: 05047-ASME B107.1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
DRIVE SURFACE SIZE: 0.250 INCHES NOMINAL SINGLE END IN
•
FEATURES PROVIDED: MANUAL TOOL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORINTERNAL-INTERNAL
WRENCHING SURFACE SIZE0.156 INCHES NOMINAL SINGLE END IN
SURFACE TREATMENTCHROMIUM OVERALL
DRIVE END SHAPESQUARE SINGLE END INTERNAL
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1 CLASS
SPECIFICATION/STANDARD DATA05047-ASME B107.1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
DRIVE SURFACE SIZE0.250 INCHES NOMINAL SINGLE END IN
FEATURES PROVIDEDMANUAL TOOL
WRENCHING SURFACE SHAPE6 POINT SINGLE END INTERNAL
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
GGG-W-641 TY2CL1STAInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
B107.110 CAT 1 TY1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
B107.1 CL1STAInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
TM-05InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
B107.1InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
B107.1 TY1CL1InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5543A42?
5543A42 is a SOCKET,SOCKET WRENCH.
What parts can replace 5543A42?
There are 6 known substitutes for 5543A42: GGG-W-641 TY2CL1STA, B107.110 CAT 1 TY1, B107.1 CL1STA and 3 more. Substitute compatibility should be verified for your specific system.
Is 5543A42 still available?
5543A42 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: September 2026