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Technical Data Sheet
PartsTable / COMPONENT / 1002543
1002543 ✓ Verified by PartsTable
3M · 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,MACHINE is a 3M 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 5305-01-164-5484, 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
1002543
NSN: 5305-01-164-5484
FSC: 5305
CAGE: 1EFH8 — GENERAL DYNAMICS LAND SYSTEMS - FORCE PROTECTION INC. DBA GDLS DIV GDLS-FP (USA)
SPECIFICATIONS
Part Number1002543
Manufacturer3M
NSN5305-01-164-5484
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1002543 · 3M ⚠ 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 19
ASME B94.19Interchangeable
interchangeable cross-reference
interchangeable
1561-0625Interchangeable
interchangeable cross-reference
interchangeable
53410Interchangeable
interchangeable cross-reference
interchangeable
383305Interchangeable
interchangeable cross-reference
interchangeable
BW212747Interchangeable
interchangeable cross-reference
interchangeable
1-1580Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1002543?
1002543 is a SCREW,MACHINE manufactured by 3M.
What parts can replace 1002543?
There are 19 known substitutes for 1002543: ASME B94.19, 1561-0625, 53410 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1002543?
1002543 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-164-5484. 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