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Technical Data Sheet
PartsTable / COMPONENT / SW-3-2656
SW-3-2656 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
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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: COPPER ALLOY OVERALL, drive_end_shape: SQUARE SINGLE END INTERNAL, special_features: STANDARD LENGTH, style_designator: INTERNAL-INTERNAL, features_provided: MANUAL TOOL AND NONSPARKING AND NONMAGNETIC, drive_surface_size: 0.250 INCHES NOMINAL SINGLE END IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-01-278-4789, 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
SW-3-2656
NSN: 5120-01-278-4789
FSC: 5120
CAGE: 61452 — NGK METALS CORPORATION DBA N G K BERYLCO (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
drive_end_shapeSQUARE SINGLE END INTERNAL
special_featuresSTANDARD LENGTH
style_designatorINTERNAL-INTERNAL
features_providedMANUAL TOOL AND NONSPARKING AND NONMAGNETIC
drive_surface_size0.250 INCHES NOMINAL SINGLE END IN
wrenching_surface_size0.344 INCHES NOMINAL SINGLE END IN
wrenching_surface_shape12 POINT SINGLE END INTERNAL
NSN5120-01-278-4789
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SOCKET,SOCKET WRENCH TITLE COMPONENT PN SW-3-2656 MFR SOCKET,SOCKET WRENCH
KEY FEATURES
•
STYLE DESIGNATOR: INTERNAL-INTERNAL
•
DRIVE SURFACE SIZE: 0.250 INCHES NOMINAL SINGLE END IN
•
WRENCHING SURFACE SHAPE: 12 POINT SINGLE END INTERNAL
•
DRIVE END SHAPE: SQUARE SINGLE END INTERNAL
•
FEATURES PROVIDED: MANUAL TOOL AND NONSPARKING AND NONMAGNETIC
•
MATERIAL: COPPER ALLOY OVERALL
•
WRENCHING SURFACE SIZE: 0.344 INCHES NOMINAL SINGLE END IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESSTANDARD LENGTH
STYLE DESIGNATORINTERNAL-INTERNAL
DRIVE SURFACE SIZE0.250 INCHES NOMINAL SINGLE END IN
WRENCHING SURFACE SHAPE12 POINT SINGLE END INTERNAL
DRIVE END SHAPESQUARE SINGLE END INTERNAL
FEATURES PROVIDEDMANUAL TOOL AND NONSPARKING AND NONMAGNETIC
MATERIALCOPPER ALLOY OVERALL
WRENCHING SURFACE SIZE0.344 INCHES NOMINAL SINGLE END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
SW3Interchangeable
interchangeable cross-reference
interchangeable
B6A11450HInterchangeable
interchangeable cross-reference
interchangeable
FF143AInterchangeable
interchangeable cross-reference
interchangeable
12701Interchangeable
interchangeable cross-reference
interchangeable
PE-35-2Interchangeable
interchangeable cross-reference
interchangeable
MCTTC-300Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SW-3-2656?
SW-3-2656 is a SOCKET,SOCKET WRENCH.
What parts can replace SW-3-2656?
There are 10 known substitutes for SW-3-2656: SW3, B6A11450H, FF143A and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SW-3-2656?
SW-3-2656 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-01-278-4789. 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: July 2026