Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
SEAL,NONMETALLIC SPECIAL SHAPED. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-223-1707, 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 338428-503?
338428-503 is a SEAL,NONMETALLIC SPECIAL SHAPED.
What parts can replace 338428-503?
There are 3 known substitutes for 338428-503: 21118-1, P91849, 21118. Substitute compatibility should be verified for your specific system.
What is the NSN for 338428-503?
338428-503 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-223-1707. This indicates validated use in U.S. government and defense supply chains.
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