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Technical Data Sheet
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BB1766 — BB1766

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BB1766: BB1766.

The BB1766 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5305-00-335-3899, 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
BB1766
NSN: 5305-00-335-3899
FSC: 5305 — Screws
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
Part NumberBB1766
NSN5305-00-335-3899
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BB1766 · 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 4
380076025Reference document
Same NSN cross-reference
Reference document — Secondary reference
2186363Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
27UV0645Reference document
Same NSN cross-reference
Reference document — Secondary reference
364768Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BB1766?
BB1766 is a BB1766.
What parts can replace BB1766?
There are 4 known substitutes for BB1766: 380076025, 2186363, 27UV0645 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BB1766?
BB1766 is cataloged in the U.S. Government catalog under NSN 5305-00-335-3899. This indicates validated use in U.S. government and defense supply chains.
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