Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW
The BB1788 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-336-8583, 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
BB1788
NSN:5315-00-336-8583 FSC:5315 CAGE:56442 — DIAMOND REO TRUCK CO (USA)
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FREQUENTLY ASKED QUESTIONS
What is BB1788?
BB1788 is a BB1788.
What parts can replace BB1788?
There are 8 known substitutes for BB1788: 5315002380882, 60408, 34752 and 5 more. Substitute compatibility should be verified for your specific system.
Is BB1788 still available?
BB1788 is currently cancelled.
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