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Technical Data Sheet
PartsTable / COMPONENT / 12759-00643
12759-00643 ✓ 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 SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-557-0582, 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
12759-00643
NSN: 5305-01-557-0582
FSC: 5305
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
Part Number12759-00643
NSN5305-01-557-0582
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12759-00643 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
AN5540-1Interchangeable
interchangeable cross-reference
interchangeable
8T30BInterchangeable
interchangeable cross-reference
interchangeable
103106Interchangeable
interchangeable cross-reference
interchangeable
4567E0016PC99Interchangeable
interchangeable cross-reference
interchangeable
1516Interchangeable
interchangeable cross-reference
interchangeable
1516-1/15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12759-00643?
12759-00643 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 12759-00643?
There are 14 known substitutes for 12759-00643: AN5540-1, 8T30B, 103106 and 11 more. Substitute compatibility should be verified for your specific system.
Is 12759-00643 still available?
12759-00643 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