Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include color: BLACK, material: STEEL CASE, case_style: SQUARE, seal_width: 0.468 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN, temp_rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF, hardness_rating: 80.0 SHORE DUROMETER A NOMINAL OVERALL. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-285-3645, 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 21158-1668?
21158-1668 is a SEAL,PLAIN ENCASED.
What parts can replace 21158-1668?
There are 20 known substitutes for 21158-1668: A31-1-1, 9431-1-1, 07-858279 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21158-1668?
21158-1668 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-285-3645. This indicates validated use in U.S. government and defense supply chains.
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