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Technical Data Sheet
PartsTable / COMPONENT / ISO4017-M12X40-8.8-A3L
ISO4017-M12X40-8.8-A3L ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The ISO4017-M12X40-8.8-A3L is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-158-0832, 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
ISO4017-M12X40-8.8-A3L
NSN: 5305-01-158-0832
FSC: 5305
CAGE: I9008 — INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) (CHE)
SPECIFICATIONS
Part NumberISO4017-M12X40-8.8-A3L
NSN5305-01-158-0832
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ISO4017-M12X40-8.8-A3L · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: STEEL PROPERTY CLASS 8.8 OVERALL
•
WIDTH BETWEEN FLATS: 24.0 MILLIMETERS NOMINAL MM
•
THREAD LENGTH: 36.0 MILLIMETERS MINIMUM AND 40.0 MILLIMETERS MAXIMUM MM
•
THREAD SERIES DESIGNATOR: M
•
HARDNESS RATING: 18.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL
•
THREAD PITCH IN MILLIMETERS: 2.0
•
SURFACE TREATMENT: ZINC OVERALL
•
MINIMUM TENSILE STRENGTH: 113784 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL PROPERTY CLASS 8.8 OVERALL
WIDTH BETWEEN FLATS24.0 MILLIMETERS NOMINAL MM
THREAD LENGTH36.0 MILLIMETERS MINIMUM AND 40.0 MILLIMETERS MAXIMUM MM
THREAD SERIES DESIGNATORM
HARDNESS RATING18.0 ROCKWELL C MINIMUM AND 31.0 ROCKWELL C MAXIMUM OVERALL
THREAD PITCH IN MILLIMETERS2.0
SURFACE TREATMENTZINC OVERALL
MINIMUM TENSILE STRENGTH113784 POUNDS PER SQUARE INCH LBS
NOMINAL THREAD DIAMETER12.0 MILLIMETERS MM
HEAD STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
8345Interchangeable
interchangeable cross-reference
interchangeable
9100-0104Interchangeable
interchangeable cross-reference
interchangeable
A11155Interchangeable
interchangeable cross-reference
interchangeable
423640Interchangeable
interchangeable cross-reference
interchangeable
A8899Interchangeable
interchangeable cross-reference
interchangeable
DIN933-M12X40-8.8-A3LInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ISO4017-M12X40-8.8-A3L?
ISO4017-M12X40-8.8-A3L is a ISO4017-M12X40-8.8-A3L.
What parts can replace ISO4017-M12X40-8.8-A3L?
There are 8 known substitutes for ISO4017-M12X40-8.8-A3L: 8345, 9100-0104, A11155 and 5 more. Substitute compatibility should be verified for your specific system.
Is ISO4017-M12X40-8.8-A3L still available?
ISO4017-M12X40-8.8-A3L is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026