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Technical Data Sheet
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5YY40 — BOLT,U

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

5YY40: BOLT,U.

The BOLT,U is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5306-01-658-9674, 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
5YY40
NSN: 5306-01-658-9674
FSC: 5306 — Bolts
CAGE: 25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)
SPECIFICATIONS
Part Number5YY40
NSN5306-01-658-9674
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5YY40 · 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 1
13545056Reference document
Same NSN cross-reference
Reference document — Vendor item drawing 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 5YY40?
5YY40 is a BOLT,U.
What parts can replace 5YY40?
There is 1 known substitute for 5YY40: 13545056. Substitute compatibility should be verified for your specific system.
What is the NSN for 5YY40?
5YY40 is cataloged in the U.S. Government catalog under NSN 5306-01-658-9674. This indicates validated use in U.S. government and defense supply chains.
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