PartsTable
Technical Data Sheet
ASME B18.2.3.1M ✓ 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 ASME B18.2.3.1M is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-423-2036, 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
ASME B18.2.3.1M
NSN: 5306-01-423-2036
FSC: 5306
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
Part NumberASME B18.2.3.1M
NSN5306-01-423-2036
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ASME B18.2.3.1M · 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
THREAD LENGTH: 21.5 MILLIMETERS MINIMUM AND 28.7 MILLIMETERS MAXIMUM MM
THREAD PITCH IN MILLIMETERS: 1.25
GRIP LENGTH: 21.80 MILLIMETERS MINIMUM AND 28.00 MILLIMETERS MAXIMUM MM
MINIMUM YIELD STRENGTH: 940 MEGAPASCALS
EXTERNAL THREAD TOLERANCE CLASS: 6G G
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT: ZINC AND CHROMATE OVERALL
NOMINAL THREAD DIAMETER: 8.0 MILLIMETERS MM
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH21.5 MILLIMETERS MINIMUM AND 28.7 MILLIMETERS MAXIMUM MM
THREAD PITCH IN MILLIMETERS1.25
GRIP LENGTH21.80 MILLIMETERS MINIMUM AND 28.00 MILLIMETERS MAXIMUM MM
MINIMUM YIELD STRENGTH940 MEGAPASCALS
EXTERNAL THREAD TOLERANCE CLASS6G G
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC AND CHROMATE OVERALL
NOMINAL THREAD DIAMETER8.0 MILLIMETERS MM
FEATURES PROVIDEDFINISHED HEAD
FASTENER LENGTH49.50 MILLIMETERS MINIMUM AND 50.50 MILLIMETERS MAXIMUM MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
ASME B18.2.3.1MInterchangeable
interchangeable cross-reference
interchangeable
AES07M08B070CG9A81Interchangeable
interchangeable cross-reference
interchangeable
B18231B08070NInterchangeable
interchangeable cross-reference
interchangeable
B18231B05016NInterchangeable
interchangeable cross-reference
interchangeable
AS02-0660Interchangeable
interchangeable cross-reference
interchangeable
B18231B08060NInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ASME B18.2.3.1M?
ASME B18.2.3.1M is a ASME B18.2.3.1M.
What parts can replace ASME B18.2.3.1M?
There are 25 known substitutes for ASME B18.2.3.1M: ASME B18.2.3.1M, AES07M08B070CG9A81, B18231B08070N and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ASME B18.2.3.1M?
ASME B18.2.3.1M is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-423-2036. This indicates validated use in U.S. government and defense supply chains.
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