The BACK-UP RING,PREFORMED PACKING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-616-2372, 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
303189
NSN:5330-01-616-2372 FSC:5330 — Packing and Gasket Materials CAGE:A196G — MASTSYSTEM INT'L OY (FIN)
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FREQUENTLY ASKED QUESTIONS
What is 303189?
303189 is a BACK-UP RING,PREFORMED PACKING.
What parts can replace 303189?
There is 1 known substitute for 303189: 800946. Substitute compatibility should be verified for your specific system.
What is the NSN for 303189?
303189 is cataloged in the U.S. Government catalog under NSN 5330-01-616-2372. This indicates validated use in U.S. government and defense supply chains.
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