Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY, overall_height: 0.500 INCHES NOMINAL IN, outside_diameter: 3.750 INCHES NOMINAL IN, special_features: STEM GUIDE POST ON ONE SIDE, style_designator: SOLID. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-392-7726, 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 B1889?
B1889 is a DISK,VALVE.
What parts can replace B1889?
There are 6 known substitutes for B1889: D-1866 PC 3 3IN B, D1866 PIECE 3 3, D-1866 PIECE 3 3IN B and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B1889?
B1889 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-392-7726. This indicates validated use in U.S. government and defense supply chains.
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