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Technical Data Sheet
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1125543 — SETSCREW

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1125543: SETSCREW.

The SETSCREW is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5305-01-577-5474, 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
1125543
NSN: 5305-01-577-5474
FSC: 5305 — Screws
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
Part Number1125543
NSN5305-01-577-5474
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1125543 · 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
SUBSTITUTES & CROSS-REFERENCES 2
2834HXReference document
Same NSN cross-reference
Reference document — Secondary reference
ASME B18.3Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1125543?
1125543 is a SETSCREW.
What parts can replace 1125543?
There are 2 known substitutes for 1125543: 2834HX, ASME B18.3. Substitute compatibility should be verified for your specific system.
What is the NSN for 1125543?
1125543 is cataloged in the U.S. Government catalog under NSN 5305-01-577-5474. This indicates validated use in U.S. government and defense supply chains.
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