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Technical Data Sheet
PartsTable / COMPONENT / ASMEB18.6.4
ASMEB18.6.4 ✓ 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 ASMEB18.6.4 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 5305-01-463-4760, 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
ASMEB18.6.4
NSN: 5305-01-463-4760
FSC: 5305
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberASMEB18.6.4
NSN5305-01-463-4760
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ASMEB18.6.4 · 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
•
PILOT DIAMETER: 0.092 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.250 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
NONDEFINITIVE SPEC/STD DATA: U TYPE
•
HEAD STYLE: ROUND
•
PILOT LENGTH: 0.047 INCHES NOMINAL IN
•
HEAD DIAMETER: 0.193 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
•
NONMACHINE NOMINAL THREAD DIAMETER: 0.112 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
PILOT DIAMETER0.092 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
FASTENER LENGTH0.250 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
NONDEFINITIVE SPEC/STD DATAU TYPE
HEAD STYLEROUND
PILOT LENGTH0.047 INCHES NOMINAL IN
HEAD DIAMETER0.193 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
NONMACHINE NOMINAL THREAD DIAMETER0.112 INCHES IN
NONMACHINE THREAD STYLEDRIVE SCREW (TYPE U)
HEAD HEIGHT0.075 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
MS24617-42Interchangeable
interchangeable cross-reference
interchangeable
ANSI B18.6.4Interchangeable
interchangeable cross-reference
interchangeable
3480668Interchangeable
interchangeable cross-reference
interchangeable
MS24617-44Interchangeable
interchangeable cross-reference
interchangeable
360-191Interchangeable
interchangeable cross-reference
interchangeable
ASME-B18.6.4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ASMEB18.6.4?
ASMEB18.6.4 is a ASMEB18.6.4.
What parts can replace ASMEB18.6.4?
There are 11 known substitutes for ASMEB18.6.4: MS24617-42, ANSI B18.6.4, 3480668 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ASMEB18.6.4?
ASMEB18.6.4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-463-4760. 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