CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include design_type: FRICTION, overall_diameter: 6.125 INCHES NOMINAL IN, opening_inside_diameter_for_which_designed: 5.500 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5340-01-135-1608, 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 FC550?
FC550 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace FC550?
There is 1 known substitute for FC550: 58655. Substitute compatibility should be verified for your specific system.
What is the NSN for FC550?
FC550 is cataloged in the U.S. Government catalog under NSN 5340-01-135-1608. This indicates validated use in U.S. government and defense supply chains.
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