The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-00-135-0274, 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 4.5X1.78 20A7?
4.5X1.78 20A7 is a O-RING.
What parts can replace 4.5X1.78 20A7?
There are 3 known substitutes for 4.5X1.78 20A7: 2574737-1, 2008N-9, 45-112-14. Substitute compatibility should be verified for your specific system.
What is the NSN for 4.5X1.78 20A7?
4.5X1.78 20A7 is cataloged in the U.S. Government catalog under NSN 5331-00-135-0274. This indicates validated use in U.S. government and defense supply chains.
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