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Technical Data Sheet

ASME/ANSI B18.3.4M — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ASME/ANSI B18.3.4M: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN, thread_direction: RIGHT-HAND, end_item_identification: NSN 2320-01-522-7781 TRUCK,VAN, part_name_assigned_by_controlling_agency: SCREW CAP-PAN HEAD, M4-12. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-585-3860, 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/ANSI B18.3.4M
NSN: 5306-01-585-3860
FSC: 5306 — Bolts
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
head_stylePAN
thread_directionRIGHT-HAND
end_item_identificationNSN 2320-01-522-7781 TRUCK,VAN
part_name_assigned_by_controlling_agencySCREW CAP-PAN HEAD, M4-12
NSN5306-01-585-3860
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ASME/ANSI B18.3.4M · 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
•
HEAD STYLE: PAN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD STYLEPAN
THREAD DIRECTIONRIGHT-HAND
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW CAP-PAN HEAD, M4-12
END ITEM IDENTIFICATIONNSN 2320-01-522-7781 TRUCK,VAN
SUBSTITUTES & CROSS-REFERENCES 1
12441813Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ASME/ANSI B18.3.4M?
ASME/ANSI B18.3.4M is a BOLT,MACHINE.
What parts can replace ASME/ANSI B18.3.4M?
There is 1 known substitute for ASME/ANSI B18.3.4M: 12441813. Substitute compatibility should be verified for your specific system.
What is the NSN for ASME/ANSI B18.3.4M?
ASME/ANSI B18.3.4M is cataloged in the U.S. Government catalog under NSN 5306-01-585-3860. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.