The DRIVE FLANGE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 1710-00-133-9308, 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.
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FREQUENTLY ASKED QUESTIONS
What is 81521BB?
81521BB is a DRIVE FLANGE.
What parts can replace 81521BB?
There are 2 known substitutes for 81521BB: NAECDWG415799-1, 415799-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 81521BB?
81521BB is cataloged in the U.S. Government catalog under NSN 1710-00-133-9308. This indicates validated use in U.S. government and defense supply chains.
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