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Technical Data Sheet
8166891 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

The ADAPTER,TORQUE WRENCH is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, drive_end_shape: SQUARE SINGLE END INTERNAL, special_features: LEFT HAND; USED WITHOUT REMOVING ROCKER ARM ASSEMBLY, style_designator: OFFSET, functional_description: USED TO TIGHTEN/LOOSEN CYLINDER LINER NUTS, wrenching_surface_size: 1.063 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 5120-00-366-1507, 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
8166891
NSN: 5120-00-366-1507
FSC: 5120
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
drive_end_shapeSQUARE SINGLE END INTERNAL
special_featuresLEFT HAND; USED WITHOUT REMOVING ROCKER ARM ASSEMBLY
style_designatorOFFSET
functional_descriptionUSED TO TIGHTEN/LOOSEN CYLINDER LINER NUTS
wrenching_surface_size1.063 INCHES NOMINAL SINGLE END IN
end_item_identificationELECTRO-MOTIVE DIESEL ENGINES
wrenching_surface_shape18 POINT SINGLE END INTERNAL
NSN5120-00-366-1507
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ADAPTER,TORQUE WRENCH TITLE COMPONENT PN 8166891 MFR ADAPTER,TORQUE WRENCH
KEY FEATURES
FUNCTIONAL DESCRIPTION: USED TO TIGHTEN/LOOSEN CYLINDER LINER NUTS
DRIVE END SHAPE: SQUARE SINGLE END INTERNAL
WRENCHING SURFACE SHAPE: 18 POINT SINGLE END INTERNAL
WRENCHING SURFACE SIZE: 1.063 INCHES NOMINAL SINGLE END IN
MATERIAL: STEEL OVERALL
STYLE DESIGNATOR: OFFSET
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONELECTRO-MOTIVE DIESEL ENGINES
FUNCTIONAL DESCRIPTIONUSED TO TIGHTEN/LOOSEN CYLINDER LINER NUTS
DRIVE END SHAPESQUARE SINGLE END INTERNAL
WRENCHING SURFACE SHAPE18 POINT SINGLE END INTERNAL
WRENCHING SURFACE SIZE1.063 INCHES NOMINAL SINGLE END IN
MATERIALSTEEL OVERALL
SPECIAL FEATURESLEFT HAND; USED WITHOUT REMOVING ROCKER ARM ASSEMBLY
STYLE DESIGNATOROFFSET
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
2481Interchangeable
interchangeable cross-reference
interchangeable
7637195Interchangeable
interchangeable cross-reference
interchangeable
A401W2Interchangeable
interchangeable cross-reference
interchangeable
16A7706Interchangeable
interchangeable cross-reference
interchangeable
7703861Interchangeable
interchangeable cross-reference
interchangeable
2-49-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8166891?
8166891 is a ADAPTER,TORQUE WRENCH.
What parts can replace 8166891?
There are 16 known substitutes for 8166891: 2481, 7637195, A401W2 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8166891?
8166891 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-366-1507. This indicates validated use in U.S. government and defense supply chains.
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