The SWITCH SUBASSEMBLY is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q AND GLASS SEALING ELEMENT, seal_width: 0.215 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN, construction: SOLID, overall_width: 3.250 INCHES NOMINAL IN, overall_length: 3.625 INCHES NOMINAL IN, housing_bore_diameter: 4.560 INCHES MINIMUM AND 4.600 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5330-00-352-0520, 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 490-400?
490-400 is a SWITCH SUBASSEMBLY.
What parts can replace 490-400?
There are 3 known substitutes for 490-400: ST7M328-400, 690-400, NSA8054-64-09. Substitute compatibility should be verified for your specific system.
What is the NSN for 490-400?
490-400 is cataloged in the U.S. Government catalog under NSN 5330-00-352-0520. This indicates validated use in U.S. government and defense supply chains.
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