Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q, temp_rating: -103.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF, hardness_rating: 50.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 0.421 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN, cross-sectional_height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-239-7899, 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 691-00013?
691-00013 is a O-RING.
What parts can replace 691-00013?
There are 3 known substitutes for 691-00013: MS90064-1, ARP568-013MILP5 516-70DURM, AA55549-10. Substitute compatibility should be verified for your specific system.
What is the NSN for 691-00013?
691-00013 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-239-7899. This indicates validated use in U.S. government and defense supply chains.
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