The O-RING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5331-01-387-0557, 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 1958 ITEM 2?
1958 ITEM 2 is a O-RING.
What parts can replace 1958 ITEM 2?
There are 3 known substitutes for 1958 ITEM 2: 4Q0-V1, 4Q0-VI, 5587A-04. Substitute compatibility should be verified for your specific system.
What is the NSN for 1958 ITEM 2?
1958 ITEM 2 is cataloged in the U.S. Government catalog under NSN 5331-01-387-0557. This indicates validated use in U.S. government and defense supply chains.
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